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Round|Lab Grown|IGI

2.51ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG804650074

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804650074

Diamond specifications and retailer prices

From £358 GBP
$480 USD
As of October 29, 2026
Save £1,531 GBP (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £5,672 GBP at Brilliant Earth · As of October 28, 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG804650074 or 804650074. Listed at 24 retailers as of October 29, 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
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804650074
Dimensions8.64 × 8.72 × 5.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.64 mm8.72 mm2.51 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804650074
Side View
Table 57.0%Crown 35.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.7%

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 29
Current: £5,672 GBP|Low: £358 GBP|High: £5,672 GBP|Avg: £1,343 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 30, 2026
Retailer 16£358 GBP
Retailer 17£400 GBP
Retailer 5£556 GBP
Retailer 12£557 GBP
Retailer 9£673 GBP
Retailer 2£693 GBP
Retailer 13£735 GBP
Retailer 18£744 GBP
Retailer 14£985 GBP
Retailer 4£1,086 GBP
Retailer 6£1,210 GBP
Retailer 15£1,448 GBP
Retailer 11£1,557 GBP
Retailer 10£1,684 GBP
Retailer 7£1,841 GBP
Retailer 3£1,889 GBP
Retailer 8£2,474 GBP
Brilliant Earth£5,672 GBP

31 data points across 18 retailers

24 retailers£358 GBP to £1,889 GBP

A
Cheapest Retailer
-
£358 GBP
$480 USD
A
Retailer 2
-
£400 GBP
$536 USD
View
Final sale: no returns
A
Retailer 3
-
£407 GBP
$545 USD
View
Retailer 4
-
£450 GBP
$603 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£450 GBP
$603 USD
View
A
Retailer 6
-
£556 GBP
$745 USD
View
A
Retailer 7
-
£557 GBP
View
A
Retailer 8
-
£648 GBP
€827 EUR
View
A
Retailer 9
-
£673 GBP
A$1,388 AUD
View
A
Retailer 10
-
£693 GBP
$928 USD
View
A
Retailer 11
-
£735 GBP
View
A
Retailer 12
-
£744 GBP
€950 EUR
View
B+
Retailer 13
-
£985 GBP
A$2,031 AUD
View
B+
Retailer 14
-
£1,028 GBP
$1,377 USD
View
B+
Retailer 15
-
£1,086 GBP
ZAR 23,515 ZAR
View
B+
Retailer 16
-
£1,184 GBP
$1,586 USD
View
B+
Retailer 17
-
£1,210 GBP
$1,621 USD
View
B
Retailer 18
-
£1,448 GBP
$1,940 USD
View
B
Retailer 19
-
£1,557 GBP
$2,086 USD
View
B
Retailer 20
-
£1,684 GBP
$2,256 USD
View
Retailer 21
-
£1,841 GBP
A$3,795 AUD
View
Price last confirmed 22 days ago
B+
Retailer 22
-
£1,889 GBP
View
Retailer 23
-
£2,474 GBP
$3,315 USD
View
Price last confirmed 22 days ago
Most Expensive
Brilliant Earth
20604821A · Oct 28
£5,672 GBP
$7,600 USD
View
Price under review
23 more retailers have this diamond
Prices start from £358 GBPSave up to £1,531 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
£358 GBP