Cushion|Lab Grown|GIA

2.60ct E IF Cushion Lab Grown Diamond

ID • E/IF • GIA 6512346210

Certificate GIA 6512346210

Diamond specifications and retailer prices

From £1,492 GBP
$1,982 USD
As of October 27, 2026
Save £4,642 GBP (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £6,134 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.6ct lab-grown cushion diamond

This 2.6ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6512346210. Listed at 6 retailers as of October 27, 2026, with prices from £1,492 to £6,134, a £4,642 spread on the same certified stone. Brilliant Earth lists it at £6,134. 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

2.60
Carat
E
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6512346210
Dimensions7.80 × 7.72 × 5.20 mm
L/W Ratio1.01
Top View
7.80 mm7.72 mm2.60 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512346210
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.4%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £6,134 GBP|Low: £3,234 GBP|High: £6,322 GBP|Avg: £4,600 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 25, 2026
Retailer 5£3,234 GBP
Retailer 4£4,080 GBP
Retailer 3£4,386 GBP
Retailer 2£4,880 GBP
Brilliant Earth£6,134 GBP

13 data points across 5 retailers

6 retailers£1,492 GBP to £6,134 GBP

A+
Cheapest Retailer
-
£1,492 GBP
$1,982 USD
Final sale: no returns
B+
Retailer 2
-
£3,234 GBP
View
B+
Retailer 3
-
£4,080 GBP
$5,421 USD
View
B+
Retailer 4
-
£4,386 GBP
ZAR 94,144 ZAR
View
B+
Retailer 5
-
£4,880 GBP
View
Most Expensive
B
Brilliant Earth
13148145Y · Oct 28
£6,134 GBP
$8,150 USD
View
5 more retailers have this diamond
Prices start from £1,492 GBPSave up to £4,642 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+
2.60ct Cushion
£1,492 GBP