Round|Lab Grown|IGI

2.51ct G VVS1 Round Lab Grown Diamond

EX • G/VVS1 • IGI LG831640124

Shape and cutting style on the report: Round brilliant

Certificate IGI LG831640124

Diamond specifications and retailer prices

From £284 GBP
$380 USD
As of October 29, 2026
Save £2,968 GBP (91%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £3,252 GBP at Yadav Diamonds · As of October 30, 2026
View at Yadav Diamonds

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG831640124 or 831640124. Listed at 22 retailers as of October 29, 2026, with prices from £284 to £3,252, a £2,968 spread on the same certified stone. Yadav Diamonds lists it at £3,252. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831640124
Dimensions8.61 × 8.65 × 5.45 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
8.61 mm8.65 mm2.51 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831640124
Side View
Table 57.0%Crown 36.1°Girdle: MediumPavilion 41.1°Culet: NoneDepth 63.2%

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 29
Current: £1,821 GBP|Low: £271 GBP|High: £3,694 GBP|Avg: £1,133 GBP|-0.4%
Retailer 1
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Retailer 20
Yadav Diamonds
November 1, 2026
Retailer 20£284 GBP
Retailer 18£318 GBP
Retailer 10£352 GBP
Retailer 11£392 GBP
Retailer 13£463 GBP
Retailer 7£472 GBP
Retailer 16£550 GBP
Retailer 12£630 GBP
Retailer 2£779 GBP
Retailer 17£830 GBP
Retailer 4£831 GBP
Retailer 5£849 GBP
Retailer 9£1,131 GBP
Retailer 8£1,142 GBP
Retailer 6£1,160 GBP
Retailer 15£1,254 GBP
Retailer 3£1,383 GBP
Retailer 19£1,540 GBP
Retailer 1£1,821 GBP
Retailer 14£2,530 GBP
Yadav Diamonds£3,252 GBP

35 data points across 21 retailers

22 retailers£284 GBP to £3,252 GBP

A
Cheapest Retailer
-
£284 GBP
$380 USD
A
Retailer 2
-
£318 GBP
$426 USD
View
A
Retailer 3
-
£350 GBP
$469 USD
View
A
Retailer 4
-
£352 GBP
$472 USD
View
A
Retailer 5
-
£392 GBP
HK$4,100 HKD
View
A
Retailer 6
-
£463 GBP
$620 USD
View
B+
Retailer 7
-
£472 GBP
$632 USD
View
A
Retailer 8
-
£550 GBP
€702 EUR
View
A
Retailer 9
-
£630 GBP
View
B+
Retailer 10
-
£779 GBP
A$1,606 AUD
View
B+
Retailer 11
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£830 GBP
$1,112 USD
View
B+
Retailer 12
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£831 GBP
$1,113 USD
View
B+
Retailer 13
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£849 GBP
ZAR 18,378 ZAR
View
B
Retailer 14
-
£1,131 GBP
$1,516 USD
View
B
Retailer 15
-
£1,142 GBP
SGD 2,067 SGD
View
B
Retailer 16
-
£1,160 GBP
$1,554 USD
View
B
Retailer 17
-
£1,254 GBP
$1,680 USD
View
B
Retailer 18
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£1,383 GBP
View
B
Retailer 19
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£1,540 GBP
$2,063 USD
View
B
Retailer 20
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£1,821 GBP
$2,440 USD
View
B
Retailer 21
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£2,530 GBP
$3,390 USD
View
Most Expensive
B
Yadav Diamonds
13239289 · Oct 30
£3,252 GBP
$4,357 USD
View
21 more retailers have this diamond
Prices start from £284 GBPSave up to £2,968 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
£284 GBP