Round|Lab Grown|IGI

2.51ct G VVS2 Round Lab Grown Diamond

EX • G/VVS2 • IGI LG804638182

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804638182

Diamond specifications and retailer prices

From £234 GBP
$313 USD
As of October 29, 2026
Save £929 GBP (80%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,814 GBP at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

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 LG804638182 or 804638182. Listed at 25 retailers as of October 26, 2026, with a 398% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804638182
Dimensions8.61 × 8.58 × 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 mm8.58 mm2.51 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804638182
Side View
Table 57.0%Crown 36.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.4%

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: £1,814 GBP|Low: £231 GBP|High: £1,911 GBP|Avg: £725 GBP|-5.1%
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 10£234 GBP
Retailer 18£261 GBP
Retailer 20£271 GBP
Retailer 4£290 GBP
Retailer 5£290 GBP
Retailer 17£407 GBP
Retailer 6£472 GBP
Retailer 13£491 GBP
Retailer 3£512 GBP
Retailer 2£515 GBP
Retailer 15£643 GBP
Retailer 21£663 GBP
Retailer 16£699 GBP
Retailer 8£749 GBP
Retailer 11£931 GBP
Retailer 9£966 GBP
Retailer 14£1,062 GBP
Retailer 7£1,160 GBP
Retailer 19£1,163 GBP
Retailer 12£1,489 GBP
Brilliant Earth£1,814 GBP

41 data points across 21 retailers

25 retailers£234 GBP to £1,163 GBP

Retailer 1
-
£231 GBP
$310 USD
Price last confirmed 38 days ago
A
Retailer 2
-
£234 GBP
$313 USD
View
A
Retailer 3
-
£261 GBP
$350 USD
View
Final sale: no returns
A
Retailer 4
-
£271 GBP
$363 USD
View
Retailer 5
-
£284 GBP
$380 USD
View
Price last confirmed 38 days ago
A
Retailer 6
-
£290 GBP
$388 USD
View
A
Retailer 7
-
£290 GBP
$388 USD
View
A
Retailer 8
-
£407 GBP
$545 USD
View
B+
Retailer 9
-
£472 GBP
$633 USD
View
A
Retailer 10
-
£491 GBP
€627 EUR
View
A
Retailer 11
-
£512 GBP
$686 USD
View
A
Retailer 12
-
£515 GBP
View
A
Retailer 13
-
£643 GBP
A$1,325 AUD
View
B+
Retailer 14
-
£663 GBP
$888 USD
View
B+
Retailer 15
-
£699 GBP
ZAR 15,128 ZAR
View
B+
Retailer 16
-
£749 GBP
$1,004 USD
View
Retailer 17
-
£923 GBP
$1,237 USD
View
Price last confirmed 39 days ago
B+
Retailer 18
-
£931 GBP
$1,248 USD
View
B+
Retailer 19
-
£966 GBP
$1,294 USD
View
B+
Retailer 20
-
£1,062 GBP
$1,423 USD
View
B
Retailer 21
-
£1,104 GBP
$1,479 USD
View
B
Retailer 22
-
£1,160 GBP
$1,555 USD
View
B
Retailer 23
-
£1,163 GBP
View
Retailer 24
-
£1,489 GBP
$1,995 USD
View
Price last confirmed 16 days ago
Most Expensive
Brilliant Earth
20527566A · Oct 18
£1,814 GBP
$2,430 USD
View
Price last confirmed 12 days ago
24 more retailers have this diamond
Prices start from £234 GBPSave up to £929 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
£234 GBP