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Round|Lab Grown|IGI

1.51ct I VS2 Round Lab Grown Diamond

EX • I/VS2 • IGI LG557217304

Shape and cutting style on the report: Round brilliant

Certificate IGI LG557217304

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)
14 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 LG557217304 or 557217304. Listed at 14 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 angle36.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557217304
Dimensions7.28 × 7.25 × 4.57 mm
L/W Ratio1.00
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
7.28 mm7.25 mm1.51 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557217304
Side View
Table 56.0%Crown 36.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.9%

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: $296 USD|High: $1,814 USD|Avg: $910 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
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Retailer 17
October 29, 2026
Retailer 11$370 USD
Retailer 14$414 USD
Retailer 17$429 USD
Retailer 4$459 USD
Retailer 12$459 USD
Retailer 2$610 USD
Retailer 16$653 USD
Retailer 15$712 USD
Retailer 13$733 USD
Retailer 6$773 USD
Retailer 9$960 USD
Retailer 7$1,229 USD
Retailer 10$1,345 USD
Retailer 3$1,475 USD
Retailer 8$1,514 USD
Retailer 5$1,661 USD
MOH London$1,802 USD

21 data points across 17 retailers

14 retailers$370 USD to $1,802 USD

A
Cheapest Retailer
-
$370 USD
A
Retailer 2
-
$414 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
-
$610 USD
View
Retailer 7
-
$653 USD
£514 GBP
View
Price last confirmed 38 days ago
B+
Retailer 8
-
$712 USD
View
B+
Retailer 9
-
$733 USD
View
B+
Retailer 10
-
$773 USD
View
B
Retailer 11
-
$1,345 USD
View
B
Retailer 12
-
$1,475 USD
View
Retailer 13
-
$1,514 USD
View
Price last confirmed 12 days ago
Most Expensive
B
MOH London
LG557217304 · Oct 29
$1,802 USD
£1,419 GBP
View
13 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