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Round|Lab Grown|IGI

1.51ct I VS2 Round Lab Grown Diamond

EX • I/VS2 • IGI LG557211910

Shape and cutting style on the report: Round brilliant

Certificate IGI LG557211910

Diamond specifications and retailer prices

From $370 USD
As of October 29, 2026
Save $1,432 USD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,802 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG557211910 or 557211910. Listed at 15 retailers as of October 29, 2026, with prices from $370 to $1,802, a $1,432 spread on the same certified stone. MOH London lists it at $1,802. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557211910
Dimensions7.34 × 7.30 × 4.53 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
7.34 mm7.30 mm1.51 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557211910
Side View
Table 60.0%Crown 35.9°Girdle: MediumPavilion 41.3°Culet: NoneDepth 62.0%

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: $1,802 USD|Low: $294 USD|High: $1,814 USD|Avg: $905 USD|+0.6%
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
Retailer 14
October 30, 2026
Retailer 10$370 USD
Retailer 13$413 USD
Retailer 11$459 USD
Retailer 4$512 USD
Retailer 7$610 USD
Retailer 12$712 USD
Retailer 5$715 USD
Retailer 9$733 USD
Retailer 14$773 USD
Retailer 2$800 USD
Retailer 6$1,115 USD
Retailer 8$1,345 USD
Retailer 3$1,514 USD
MOH London$1,802 USD

25 data points across 14 retailers

15 retailers$370 USD to $1,802 USD

A
Cheapest Retailer
-
$370 USD
A
Retailer 2
-
$413 USD
View
Final sale: no returns
A
Retailer 3
-
$429 USD
View
A
Retailer 4
-
$459 USD
View
A
Retailer 5
-
$459 USD
View
A
Retailer 6
-
$512 USD
HK$4,000 HKD
View
B+
Retailer 7
-
$610 USD
View
B+
Retailer 8
-
$712 USD
View
B+
Retailer 9
-
$733 USD
View
B+
Retailer 10
-
$773 USD
View
B+
Retailer 11
-
$800 USD
View
B
Retailer 12
-
$1,345 USD
View
B
Retailer 13
-
$1,475 USD
View
B
Retailer 14
-
$1,514 USD
View
Most Expensive
B
MOH London
LG557211910 · Oct 29
$1,802 USD
£1,419 GBP
View
14 more retailers have this diamond
Prices start from $370 USDSave up to $1,432 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
1.51ct Round
$370 USD