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Round|Lab Grown|IGI

2.56ct G VVS1 Round Lab Grown Diamond

ID • G/VVS1 • IGI LG831660896

Shape and cutting style on the report: Round brilliant

Certificate IGI LG831660896

Diamond specifications and retailer prices

From £287 GBP
$385 USD
As of November 1, 2026
Save £2,161 GBP (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,448 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.56ct lab-grown round diamond

This 2.56ct 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 LG831660896 or 831660896. Listed at 23 retailers as of October 31, 2026, with prices from £287 to £2,448, a £2,161 spread on the same certified stone. Brilliant Earth lists it at £2,448. 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

2.56
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831660896
Dimensions8.76 × 8.80 × 5.36 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
8.76 mm8.80 mm2.56 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831660896
Side View
Table 56.0%Crown 33.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
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: Nov 1
Current: £1,825 GBP|Low: £284 GBP|High: £1,840 GBP|Avg: £818 GBP|-0.8%
Retailer 1
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Retailer 21
November 1, 2026
Retailer 21£287 GBP
Retailer 19£322 GBP
Retailer 14£357 GBP
Retailer 6£401 GBP
Retailer 2£466 GBP
Retailer 12£471 GBP
Retailer 10£478 GBP
Retailer 17£555 GBP
Retailer 5£570 GBP
Retailer 15£644 GBP
Retailer 3£789 GBP
Retailer 18£837 GBP
Retailer 8£860 GBP
Retailer 7£861 GBP
Retailer 13£1,146 GBP
Retailer 11£1,150 GBP
Retailer 9£1,175 GBP
Retailer 16£1,265 GBP
Retailer 4£1,401 GBP
Retailer 20£1,553 GBP
Retailer 1£1,825 GBP

26 data points across 21 retailers

23 retailers£287 GBP to £2,448 GBP

A
Cheapest Retailer
-
£287 GBP
$385 USD
A
Retailer 2
-
£322 GBP
$432 USD
View
Retailer 3
-
£352 GBP
$471 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£357 GBP
$478 USD
View
A
Retailer 5
-
£401 GBP
HK$4,200 HKD
View
A
Retailer 6
-
£466 GBP
$625 USD
View
A
Retailer 7
-
£471 GBP
View
B+
Retailer 8
-
£478 GBP
$640 USD
View
A
Retailer 9
-
£555 GBP
€708 EUR
View
A
Retailer 10
-
£570 GBP
$764 USD
View
A
Retailer 11
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£644 GBP
View
B+
Retailer 12
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£789 GBP
A$1,627 AUD
View
B+
Retailer 13
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£837 GBP
$1,122 USD
View
B+
Retailer 14
-
£860 GBP
ZAR 18,623 ZAR
View
B+
Retailer 15
-
£861 GBP
$1,153 USD
View
B
Retailer 16
-
£1,146 GBP
$1,536 USD
View
B
Retailer 17
-
£1,150 GBP
SGD 2,082 SGD
View
B
Retailer 18
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£1,175 GBP
$1,574 USD
View
B
Retailer 19
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£1,265 GBP
$1,695 USD
View
B
Retailer 20
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£1,401 GBP
View
B
Retailer 21
-
£1,553 GBP
$2,081 USD
View
B
Retailer 22
-
£1,825 GBP
$2,445 USD
View
Most Expensive
B
Brilliant Earth
21443780A · Oct 31
£2,448 GBP
$3,280 USD
View
22 more retailers have this diamond
Prices start from £287 GBPSave up to £2,161 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
2.56ct Round
£287 GBP