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Round|Lab Grown|GIA

2.78ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 7538315690

Certificate GIA 7538315690

Diamond specifications and retailer prices

From £1,520 GBP
$2,036 USD
As of November 1, 2026
Save £8,280 GBP (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £9,799 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.78ct lab-grown round diamond

This 2.78ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 7538315690. Listed at 11 retailers as of October 31, 2026, with prices from £1,520 to £9,799, a £8,280 spread on the same certified stone. Brilliant Earth lists it at £9,799. 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

2.78
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 7538315690
Dimensions8.96 × 9.01 × 5.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This is a man-made diamond.
Top View
8.96 mm9.01 mm2.78 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7538315690
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
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: Nov 1
Current: £9,799 GBP|Low: £1,372 GBP|High: £10,105 GBP|Avg: £3,928 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 11£1,372 GBP
Retailer 6£1,520 GBP
Retailer 2£1,970 GBP
Retailer 10£2,207 GBP
Retailer 5£2,309 GBP
Retailer 3£2,682 GBP
Retailer 9£3,481 GBP
Retailer 8£4,450 GBP
Retailer 12£4,525 GBP
Retailer 4£5,156 GBP
Retailer 7£8,090 GBP
Brilliant Earth£9,799 GBP

18 data points across 12 retailers

11 retailers£1,520 GBP to £9,799 GBP

Retailer 1
-
£1,196 GBP
$1,603 USD
Price last confirmed 33 days ago
Retailer 2
-
£1,302 GBP
$1,744 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
£1,520 GBP
$2,036 USD
View
B+
Retailer 4
-
£1,970 GBP
$2,640 USD
View
B+
Retailer 5
-
£2,207 GBP
$2,957 USD
View
A
Retailer 6
-
£2,309 GBP
$3,094 USD
View
Retailer 7
-
£2,871 GBP
$3,847 USD
View
Price last confirmed 31 days ago
B+
Retailer 8
-
£3,481 GBP
$4,664 USD
View
B+
Retailer 9
-
£4,450 GBP
View
B
Retailer 10
-
£8,090 GBP
$10,840 USD
View
Most Expensive
B
Brilliant Earth
21411889Y · Oct 31
£9,799 GBP
$13,130 USD
View
10 more retailers have this diamond
Prices start from £1,520 GBPSave up to £8,280 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
2.78ct Round
£1,520 GBP