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Round|Lab Grown|IGI

2.51ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG735572589

Shape and cutting style on the report: Round brilliant

Certificate IGI LG735572589

Diamond specifications and retailer prices

From £368 GBP
$490 USD
As of October 29, 2026
Save £1,540 GBP (81%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £2,489 GBP at Rare Carat · As of October 7, 2026
View at Rare Carat

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 LG735572589 or 735572589. Listed at 25 retailers as of October 25, 2026, with a 419% 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 angle35.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735572589
Dimensions8.64 × 8.69 × 5.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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 mm8.69 mm2.51 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735572589
Side View
Table 58.0%Crown 35.9°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.4%

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: £2,489 GBP|Low: £354 GBP|High: £2,489 GBP|Avg: £1,040 GBP
Rare Carat
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
Retailer 16
October 30, 2026
Retailer 5£368 GBP
Retailer 13£412 GBP
Retailer 8£457 GBP
Retailer 14£559 GBP
Retailer 11£575 GBP
Retailer 4£612 GBP
Retailer 16£692 GBP
Retailer 10£697 GBP
Retailer 9£757 GBP
Retailer 2£1,013 GBP
Retailer 3£1,066 GBP
Retailer 12£1,102 GBP
Retailer 7£1,590 GBP
Retailer 6£1,852 GBP
Retailer 15£1,908 GBP
Rare Carat£2,489 GBP

33 data points across 16 retailers

25 retailers£368 GBP to £1,908 GBP

A
Cheapest Retailer
-
£368 GBP
$490 USD
A
Retailer 2
-
£412 GBP
$549 USD
View
Final sale: no returns
A
Retailer 3
-
£412 GBP
$549 USD
View
A
Retailer 4
-
£457 GBP
$608 USD
View
Retailer 5
-
£457 GBP
$608 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£559 GBP
$745 USD
View
A
Retailer 7
-
£575 GBP
View
A
Retailer 8
-
£612 GBP
$815 USD
View
A
Retailer 9
-
£662 GBP
$881 USD
View
A
Retailer 10
-
£692 GBP
A$1,418 AUD
View
A
Retailer 11
-
£697 GBP
€884 EUR
View
A
Retailer 12
-
£757 GBP
View
B+
Retailer 13
-
£1,013 GBP
A$2,076 AUD
View
B+
Retailer 14
-
£1,035 GBP
$1,378 USD
View
B+
Retailer 15
-
£1,066 GBP
$1,419 USD
View
B+
Retailer 16
-
£1,102 GBP
ZAR 23,698 ZAR
View
Retailer 17
-
£1,132 GBP
$1,508 USD
View
Price last confirmed 43 days ago
B+
Retailer 18
-
£1,201 GBP
$1,599 USD
View
B
Retailer 19
-
£1,488 GBP
$1,982 USD
View
B
Retailer 20
-
£1,590 GBP
$2,117 USD
View
B
Retailer 21
-
£1,592 GBP
$2,120 USD
View
B
Retailer 22
-
£1,708 GBP
$2,275 USD
View
Retailer 23
-
£1,852 GBP
A$3,795 AUD
View
Price last confirmed 22 days ago
B
Retailer 24
-
£1,908 GBP
View
Most Expensive
Rare Carat
R04528 · Oct 7
£2,489 GBP
$3,315 USD
View
Price last confirmed 22 days ago
24 more retailers have this diamond
Prices start from £368 GBPSave up to £1,540 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
£368 GBP