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Round|Lab Grown|IGI

2.50ct I VS2 Round Lab Grown Diamond

EX • I/VS2 • IGI LG516256645

Shape and cutting style on the report: Round brilliant

Certificate IGI LG516256645

Diamond specifications and retailer prices

From $519 USD
As of October 29, 2026
Save $1,175 USD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,703 USD at MOH London · As of October 21, 2026
View at MOH London

About this 2.5ct lab-grown round diamond

This 2.5ct lab-grown round sits in the two to three carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG516256645 or 516256645. Listed at 14 retailers as of October 28, 2026, with a 226% 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

2.50
Carat
I
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG516256645
Dimensions8.71 × 8.65 × 5.30 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
8.71 mm8.65 mm2.50 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG516256645
Side View
Table 61.5%Crown 34.1°GirdlePavilion 41°Culet: NoneDepth 61.1%

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: $2,703 USD|Low: $415 USD|High: $2,720 USD|Avg: $1,269 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 8$519 USD
Retailer 12$582 USD
Retailer 9$644 USD
Retailer 11$644 USD
Retailer 6$780 USD
Retailer 13$904 USD
Retailer 10$997 USD
Retailer 2$1,150 USD
Retailer 3$1,261 USD
Retailer 7$1,662 USD
Retailer 5$2,094 USD
Retailer 4$2,156 USD
MOH London$2,703 USD

26 data points across 13 retailers

14 retailers$519 USD to $1,694 USD

A
Cheapest Retailer
-
$519 USD
A
Retailer 2
-
$582 USD
View
A
Retailer 3
-
$582 USD
View
Final sale: no returns
A
Retailer 4
-
$644 USD
View
Retailer 5
-
$644 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$780 USD
View
B+
Retailer 7
-
$904 USD
View
B+
Retailer 8
-
$997 USD
View
B+
Retailer 9
-
$1,150 USD
£906 GBP
View
B+
Retailer 10
-
$1,261 USD
View
B
Retailer 11
-
$1,662 USD
View
B+
Retailer 12
-
$1,694 USD
View
Retailer 13
-
$2,094 USD
View
Price last confirmed 11 days ago
Most Expensive
MOH London
LG516256645 · Oct 21
$2,703 USD
£2,128 GBP
View
Price last confirmed 9 days ago
13 more retailers have this diamond
Prices start from $519 USDSave up to $1,175 USD

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
2.50ct Round
$519 USD