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Round|Lab Grown|IGI

2.51ct G VVS2 Round Lab Grown Diamond

ID • G/VVS2 • IGI LG726540435

Shape and cutting style on the report: Round brilliant

Certificate IGI LG726540435

Diamond specifications and retailer prices

From £355 GBP
$472 USD
As of October 26, 2026
Save £923 GBP (72%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,278 GBP at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

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 LG726540435 or 726540435. Listed at 6 retailers as of October 26, 2026, with prices from £355 to £1,278, a £923 spread on the same certified stone. NZ Jewellers lists it at £1,278. 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 angle33.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726540435
Dimensions8.74 × 8.78 × 5.31 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.74 mm8.78 mm2.51 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726540435
Side View
Table 57.0%Crown 33.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.5%

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 26
Current: £1,278 GBP|Low: £355 GBP|High: £3,477 GBP|Avg: £949 GBP|-6.8%
NZ Jewellers
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 25, 2026
Retailer 9£355 GBP
Retailer 10£418 GBP
Retailer 13£440 GBP
Retailer 8£440 GBP
Retailer 11£472 GBP
Retailer 2£546 GBP
Retailer 5£567 GBP
Retailer 7£584 GBP
Retailer 12£674 GBP
Retailer 4£712 GBP
Retailer 15£838 GBP
NZ Jewellers£1,278 GBP
Retailer 3£1,290 GBP
Retailer 14£1,480 GBP
Retailer 6£3,477 GBP

13 data points across 15 retailers

6 retailers£355 GBP to £1,278 GBP

A
Cheapest Retailer
-
£355 GBP
$472 USD
A
Retailer 2
-
£418 GBP
$555 USD
View
Final sale: no returns
A
Retailer 3
-
£440 GBP
$585 USD
View
A
Retailer 4
-
£472 GBP
$627 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
£546 GBP
$725 USD
View
Most Expensive
B
NZ Jewellers
14a551c7-f583-4968-b913-a1a48fc83db3 · Oct 28
£1,278 GBP
$1,698 USD
View
5 more retailers have this diamond
Prices start from £355 GBPSave up to £923 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
£355 GBP