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Round|Lab Grown|GIA

3.12ct D VVS1 Round Lab Grown Diamond

EX • D/VVS1 • GIA 6492512731

Certificate GIA 6492512731

Diamond specifications and retailer prices

From £993 GBP
$1,322 USD
As of October 29, 2026
Save £4,769 GBP (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £8,245 GBP at Brilliant Earth · As of September 19, 2026
View at Brilliant Earth

About this 3.12ct lab-grown round diamond

This 3.12ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 6492512731. Listed at 21 retailers as of October 29, 2026, with a 480% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.12
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 6492512731
Dimensions9.38 × 9.36 × 5.79 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
9.38 mm9.36 mm3.12 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6492512731
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.8°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: Oct 29
Current: £8,245 GBP|Low: £1,273 GBP|High: £8,245 GBP|Avg: £3,824 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 14£1,273 GBP
Retailer 3£1,500 GBP
Retailer 4£1,620 GBP
Retailer 10£1,940 GBP
Retailer 12£2,876 GBP
Retailer 7£2,929 GBP
Retailer 13£3,345 GBP
Retailer 2£3,651 GBP
Retailer 5£4,357 GBP
Retailer 6£4,505 GBP
Retailer 9£5,236 GBP
Retailer 8£5,970 GBP
Retailer 11£6,601 GBP
Retailer 15£6,833 GBP
Brilliant Earth£8,245 GBP

25 data points across 15 retailers

21 retailers£993 GBP to £5,762 GBP

A
Cheapest Retailer
-
£993 GBP
$1,322 USD
A
Retailer 2
-
£1,081 GBP
$1,439 USD
View
A
Retailer 3
-
£1,152 GBP
$1,534 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
£1,152 GBP
$1,534 USD
View
A
Retailer 5
-
£1,273 GBP
$1,695 USD
View
B+
Retailer 6
-
£1,500 GBP
$1,997 USD
View
B+
Retailer 7
-
£1,620 GBP
$2,157 USD
View
B+
Retailer 8
-
£1,940 GBP
€2,461 EUR
View
B+
Retailer 9
-
£2,383 GBP
$3,173 USD
View
B+
Retailer 10
-
£2,876 GBP
A$5,892 AUD
View
Price last confirmed 7 days ago
B
Retailer 11
-
£2,929 GBP
$3,900 USD
View
B
Retailer 12
-
£3,345 GBP
$4,455 USD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
£3,651 GBP
View
B
Retailer 14
-
£4,357 GBP
$5,802 USD
View
B
Retailer 15
-
£4,505 GBP
$5,999 USD
View
B
Retailer 16
-
£5,236 GBP
$6,973 USD
View
B
Retailer 17
-
£5,762 GBP
$7,673 USD
View
B
Retailer 18
-
£5,970 GBP
$7,950 USD
View
Price under review
B
Retailer 19
-
£6,601 GBP
$8,790 USD
View
Price under review
B
Retailer 20
-
£6,833 GBP
$9,100 USD
View
Price under review
Most Expensive
B
Brilliant Earth
16508987A · Sep 19
£8,245 GBP
$10,980 USD
View
Price under review
20 more retailers have this diamond
Prices start from £993 GBPSave up to £4,769 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
3.12ct Round
£993 GBP