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Round|Lab Grown|IGI

3.12ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG838643443

Shape and cutting style on the report: Round brilliant

Certificate IGI LG838643443

Diamond specifications and retailer prices

From £625 GBP
$832 USD
As of October 28, 2026
Save £2,540 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £7,952 GBP at Brilliant Earth · As of October 28, 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 IGI LG838643443 or 838643443. Listed at 15 retailers as of October 28, 2026, with a 407% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838643443
Dimensions9.33 × 9.39 × 5.81 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.33 mm9.39 mm3.12 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838643443
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £1,502 GBP|Low: £625 GBP|High: £3,165 GBP|Avg: £1,398 GBP|-5.5%
Retailer 1
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
October 29, 2026
Retailer 4£625 GBP
Retailer 9£740 GBP
Retailer 8£891 GBP
Retailer 10£916 GBP
Retailer 14£924 GBP
Retailer 7£1,019 GBP
Retailer 13£1,032 GBP
Retailer 5£1,462 GBP
Retailer 1£1,502 GBP
Retailer 2£1,593 GBP
Retailer 6£2,145 GBP
Retailer 12£2,153 GBP
Retailer 3£2,544 GBP
Retailer 11£3,165 GBP

22 data points across 14 retailers

15 retailers£625 GBP to £3,165 GBP

A
Cheapest Retailer
-
£625 GBP
$832 USD
Final sale: no returns
A
Retailer 2
-
£740 GBP
HK$7,700 HKD
View
A
Retailer 3
-
£891 GBP
View
A
Retailer 4
-
£916 GBP
$1,220 USD
View
A
Retailer 5
-
£924 GBP
$1,230 USD
View
A
Retailer 6
-
£1,019 GBP
€1,292 EUR
View
A
Retailer 7
-
£1,032 GBP
View
B+
Retailer 8
-
£1,462 GBP
A$2,995 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£1,502 GBP
ZAR 32,323 ZAR
View
B+
Retailer 10
-
£1,593 GBP
$2,122 USD
View
B+
Retailer 11
-
£2,145 GBP
$2,857 USD
View
B+
Retailer 12
-
£2,153 GBP
SGD 3,874 SGD
View
B+
Retailer 13
-
£2,544 GBP
View
B
Retailer 14
-
£3,165 GBP
$4,215 USD
View
Most Expensive
B
Brilliant Earth
21711139A · Oct 28
£7,952 GBP
$10,590 USD
View
Price under review
14 more retailers have this diamond
Prices start from £625 GBPSave up to £2,540 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
£625 GBP