Hormuz power play and US-Iran deal hopes: oil swings, sanctions talks stir, and even diamonds stop falling

In late July, diamond prices stopped falling for the first time since March 2025, according to the Rapaport report cited by Kommersant. At the same time, Russia’s security and sanctions posture tightened around Telegram: The Record reports that after Russia’s FSB charged Pavel Durov with aiding terrorist activity, Russian businesses began erasing Durov-linked products following the “terrorist” designation announced last week. In energy markets, multiple signals collided: Al Jazeera frames “astronomical” Big Oil profits as the Strait of Hormuz disruption persists, while Middle East Eye says oil prices plunged after Qatar stated US-Iran negotiations had resumed and US Treasury Secretary Janet Yellen hinted a deal could come “today or tomorrow.” Separately, Reuters via Al-Monitor reports Iran is discussing a temporary plan with Oman that would give Iran control over inbound shipping through Hormuz and visibility over outbound traffic, with the ability to intervene if necessary. Geopolitically, the cluster points to a contest over maritime chokepoints and information control, not just crude supply. Iran’s proposed inbound control and outbound oversight would effectively turn Hormuz into a managed corridor, increasing Tehran’s leverage over regional trade flows and giving it a bargaining chip in any US-Iran negotiation. The US-Iran “deal hopes” narrative, reinforced by Qatar’s confirmation and Yellen’s timing comments, suggests Washington is testing whether sanctions relief or security arrangements can be traded for operational constraints on Iran’s side. Russia’s Telegram crackdown adds a parallel security dimension: it signals that Moscow is willing to escalate non-kinetic pressure and platform-level disruption in parallel with broader sanctions and counterterror narratives. Meanwhile, the reported Syria track—Damascus agreeing to drastically reduce Russian oil imports as part of talks on lifting the last major sanctions designation—implies that energy flows are being used as a currency in diplomatic bargaining between Washington, Moscow, and Damascus. Markets are reacting across the energy complex and adjacent risk premia. Brent futures briefly slipping below $81 per barrel for the first time since July 13 (Kommersant) aligns with the “US-Iran deal” optimism that can quickly compress the risk premium tied to Hormuz. Yet Al Jazeera’s emphasis on record profits for Big Oil underscores how disruption-driven pricing and refining margins can remain elevated even when headlines turn softer. The corporate angle is also visible in BP’s decision to offload its US biogas business shortly after confirming its North Sea exit, signaling capital reallocation away from lower-carbon growth and toward core oil and gas cash generation. On the trade-flow side, Reuters reports Russian seaborne oil product exports fell 33% month-on-month in July, which can tighten regional product availability and support freight and refining spreads even if crude prices ease. Next, the key trigger is whether Hormuz governance talks move from “temporary plan” discussions into enforceable operational arrangements with Oman and, by extension, with shipping insurers and major charterers. Watch for concrete language on inbound control, outbound visibility, and intervention rights, because those details determine whether the market prices a managed disruption or a full reopening. In parallel, monitor US-Iran negotiation milestones—especially any formal signals from the US Treasury and confirmation from Qatar—since the market has shown it can reprice within hours on deal timing. On the sanctions front, track whether Syria’s reported reduction in Russian oil imports becomes measurable and whether Washington advances the process to lift the State Sponsor of Terrorism designation. Finally, follow Russia’s platform-security actions for spillovers into digital commerce and cross-border services, as the Telegram designation story can amplify compliance and reputational risk for firms operating in the region.

Geopolitical Implications

• 01

  If Iran secures inbound control and outbound oversight at Hormuz, it would increase Tehran’s leverage over regional trade and strengthen its negotiating position in US-Iran talks.

• 02

  US-Iran deal momentum—amplified by Qatar and US Treasury messaging—could reduce the crude risk premium but may also intensify bargaining over maritime security arrangements.

• 03

  Energy sanctions relief for Syria appears tied to measurable changes in Russian oil flows, indicating a broader pattern of using commodity dependence as diplomatic leverage.

• 04

  Russia’s platform-level security actions against Telegram-linked entities suggest Moscow is willing to escalate non-kinetic pressure alongside sanctions and information warfare.

Key Signals

• —Official confirmation of the temporary Hormuz plan details (inbound control scope, outbound visibility mechanisms, intervention triggers).
• —US Treasury and Qatar updates on negotiation milestones and whether “today or tomorrow” timing is substantiated.
• —Any measurable reporting on Syria’s reduction in Russian oil imports and corresponding US steps toward lifting the SST designation.
• —Further Russian actions affecting Telegram-linked services, app distribution, and compliance requirements for regional firms.
• —Brent futures volatility around negotiation headlines and shipping insurance rate changes tied to Hormuz risk.