CaratHunter
Plans
Cushion|Lab Grown|IGI

2.51ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG598379280

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG598379280

Diamond specifications and retailer prices

From £479 GBP
$643 USD
As of November 2, 2026
Save £2,166 GBP (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,645 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 2.51ct lab-grown cushion diamond

This 2.51ct lab-grown cushion sits in the two to three carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG598379280 or 598379280. Listed at 9 retailers as of November 2, 2026, with prices from £479 to £2,645, a £2,166 spread on the same certified stone. Do Amore Diamonds lists it at £2,645. 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
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598379280
Dimensions7.62 × 7.54 × 5.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.62 mm7.54 mm2.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598379280
Side View
Table 64.0%Crown 37.7°Girdle: MediumPavilion 35.7°Culet: NoneDepth 68.4%

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: Nov 2
Current: £2,645 GBP|Low: £479 GBP|High: £2,645 GBP|Avg: £1,054 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 9£479 GBP
Retailer 6£481 GBP
Retailer 8£580 GBP
Retailer 7£586 GBP
Retailer 3£767 GBP
Retailer 4£905 GBP
Retailer 2£983 GBP
Retailer 11£1,090 GBP
Retailer 10£1,422 GBP
Retailer 5£1,505 GBP
Do Amore Diamonds£2,645 GBP

21 data points across 11 retailers

9 retailers£479 GBP to £2,645 GBP

A
Cheapest Retailer
-
£479 GBP
$643 USD
A
Retailer 2
-
£481 GBP
$645 USD
View
A
Retailer 3
-
£580 GBP
$778 USD
View
A
Retailer 4
-
£586 GBP
$786 USD
View
A
Retailer 5
-
£905 GBP
A$1,868 AUD
View
A
Retailer 6
-
£983 GBP
ZAR 21,308 ZAR
View
B+
Retailer 7
-
£1,422 GBP
$1,908 USD
View
B+
Retailer 8
-
£1,505 GBP
View
Most Expensive
B
Do Amore Diamonds
27-D1FC1585D · Nov 2
£2,645 GBP
$3,550 USD
View
8 more retailers have this diamond
Prices start from £479 GBPSave up to £2,166 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 Cushion
£479 GBP