Round|Lab Grown|IGI

2.51ct G VVS2 Round Lab Grown Diamond

ID • G/VVS2 • IGI LG842642512

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842642512

Diamond specifications and retailer prices

From £228 GBP
$303 USD
As of October 26, 2026
Save £974 GBP (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,509 GBP at Rare Carat · As of October 14, 2026
View at Rare Carat

About this 2.51ct lab-grown round diamond

This 2.51ct lab-grown round sits in the two to three carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG842642512 or 842642512. Listed at 22 retailers as of October 26, 2026, with a 427% 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

2.51
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842642512
Dimensions8.78 × 8.82 × 5.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.78 mm8.82 mm2.51 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842642512
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.3%

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 26
Current: £1,509 GBP|Low: £228 GBP|High: £1,509 GBP|Avg: £656 GBP
Rare Carat
Retailer 2
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Retailer 22
October 29, 2026
Retailer 22£228 GBP
Retailer 21£265 GBP
Retailer 7£283 GBP
Retailer 8£283 GBP
Retailer 14£318 GBP
Retailer 5£378 GBP
Retailer 20£384 GBP
Retailer 16£404 GBP
Retailer 2£447 GBP
Retailer 19£498 GBP
Retailer 3£508 GBP
Retailer 17£627 GBP
Retailer 15£666 GBP
Retailer 18£682 GBP
Retailer 4£869 GBP
Retailer 12£909 GBP
Retailer 9£914 GBP
Retailer 6£945 GBP
Retailer 11£1,007 GBP
Retailer 13£1,139 GBP
Retailer 10£1,202 GBP
Rare Carat£1,509 GBP

20 data points across 22 retailers

22 retailers£228 GBP to £1,202 GBP

A
Cheapest Retailer
-
£228 GBP
$303 USD
A
Retailer 2
-
£265 GBP
$352 USD
View
A
Retailer 3
-
£283 GBP
$376 USD
View
A
Retailer 4
-
£283 GBP
$376 USD
View
A
Retailer 5
-
£318 GBP
HK$3,300 HKD
View
B+
Retailer 6
-
£378 GBP
$502 USD
View
A
Retailer 7
-
£384 GBP
$510 USD
View
A
Retailer 8
-
£404 GBP
View
A
Retailer 9
-
£447 GBP
€566 EUR
View
A
Retailer 10
-
£498 GBP
View
A
Retailer 11
-
£508 GBP
$675 USD
View
A
Retailer 12
-
£627 GBP
A$1,282 AUD
View
A
Retailer 13
-
£666 GBP
$885 USD
View
A
Retailer 14
-
£682 GBP
ZAR 14,643 ZAR
View
B+
Retailer 15
-
£869 GBP
$1,155 USD
View
B+
Retailer 16
-
£909 GBP
$1,208 USD
View
B+
Retailer 17
-
£914 GBP
SGD 1,642 SGD
View
B+
Retailer 18
-
£945 GBP
$1,255 USD
View
B+
Retailer 19
-
£1,007 GBP
$1,338 USD
View
B+
Retailer 20
-
£1,139 GBP
View
B
Retailer 21
-
£1,202 GBP
$1,597 USD
View
Most Expensive
B
Rare Carat
00063297_l_842642512 · Oct 14
£1,509 GBP
$2,005 USD
View
Price last confirmed 15 days ago
21 more retailers have this diamond
Prices start from £228 GBPSave up to £974 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
2.51ct Round
£228 GBP