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Cushion|Lab Grown|IGI

2.68ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG843618521

Certificate IGI LG843618521

Diamond specifications and retailer prices

From £1,325 GBP
$1,765 USD
As of October 28, 2026
Save £2,354 GBP (64%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,680 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.68ct lab-grown cushion diamond

This 2.68ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843618521 or 843618521. Listed at 3 retailers as of October 28, 2026, with prices from £1,325 to £3,680, a £2,354 spread on the same certified stone. Brilliant Earth lists it at £3,680. 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

2.68
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG843618521
Dimensions10.40 × 7.35 × 4.19 mm
L/W Ratio1.41
Top View
10.40 mm7.35 mm2.68 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843618521
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCuletDepth 57.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: £3,680 GBP|Low: £2,264 GBP|High: £3,680 GBP|Avg: £3,208 GBP
Brilliant Earth
Retailer 2
October 25, 2026
Retailer 2£2,264 GBP
Brilliant Earth£3,680 GBP

2 data points across 2 retailers

3 retailers£1,325 GBP to £3,680 GBP

B+
Cheapest Retailer
-
£1,325 GBP
$1,765 USD
B
Retailer 2
-
£2,264 GBP
$3,015 USD
View
Most Expensive
B
Brilliant Earth
22253580Y · Oct 29
£3,680 GBP
$4,900 USD
View
2 more retailers have this diamond
Prices start from £1,325 GBPSave up to £2,354 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.

B+
2.68ct Cushion
£1,325 GBP