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Oval|Lab Grown|IGI

6.90ct G VS1 Oval Lab Grown Diamond

EX • G/VS1 • IGI LG843686531

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843686531

Diamond specifications and retailer prices

From £657 GBP
$880 USD
As of October 31, 2026
Save £3,762 GBP (85%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £4,418 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 6.9ct lab-grown oval diamond

This 6.9ct lab-grown oval sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843686531 or 843686531. Listed at 3 retailers as of October 30, 2026, with prices from £657 to £4,418, a £3,762 spread on the same certified stone. Brilliant Earth lists it at £4,418. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.90
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843686531
Dimensions15.68 × 10.92 × 6.56 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.68 mm10.92 mm6.90 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843686531
Side View
Table 61.0%Crown 34.2°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 60.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £4,418 GBP|Low: £657 GBP|High: £8,657 GBP|Avg: £4,037 GBP|-49.0%
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 3£657 GBP
Retailer 2£1,072 GBP
Brilliant Earth£4,418 GBP

21 data points across 3 retailers

3 retailers£657 GBP to £4,418 GBP

A
Cheapest Retailer
-
£657 GBP
$880 USD
Final sale: no returns
A
Retailer 2
-
£1,072 GBP
View
Most Expensive
B
Brilliant Earth
21782236A · Oct 30
£4,418 GBP
$5,920 USD
View
2 more retailers have this diamond
Prices start from £657 GBPSave up to £3,762 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
6.90ct Oval
£657 GBP