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Round|Lab Grown|IGI

1.51ct J VS2 Round Lab Grown Diamond

ID • J/VS2 • IGI LG407945506

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407945506

Diamond specifications and retailer prices

From $1,140 USD
As of October 29, 2026
Save $3,490 USD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,630 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 J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG407945506 or 407945506. Listed at 11 retailers as of October 29, 2026, with prices from $1,140 to $4,630, a $3,490 spread on the same certified stone. MOH London lists it at $4,630. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
J
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407945506
Dimensions7.39 × 7.37 × 4.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.39 mm7.37 mm1.51 ctJ / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407945506
Side View
Table 55.0%Crown 35.7°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
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: $4,630 USD|Low: $987 USD|High: $4,667 USD|Avg: $2,072 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
October 18, 2026
Retailer 5$1,140 USD
Retailer 2$1,236 USD
Retailer 8$1,383 USD
Retailer 6$1,434 USD
Retailer 9$1,434 USD
Retailer 10$1,605 USD
Retailer 3$1,729 USD
Retailer 12$2,020 USD
Retailer 7$2,273 USD
Retailer 11$2,746 USD
Retailer 4$3,209 USD
MOH London$4,630 USD

13 data points across 12 retailers

11 retailers$1,140 USD to $4,630 USD

A
Cheapest Retailer
-
$1,140 USD
A
Retailer 2
-
$1,236 USD
View
A
Retailer 3
-
$1,345 USD
View
A
Retailer 4
-
$1,383 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,434 USD
View
Retailer 6
-
$1,434 USD
View
Price last confirmed 17 days ago
B+
Retailer 7
-
$1,605 USD
View
B
Retailer 8
-
$2,273 USD
View
B
Retailer 9
-
$2,687 USD
View
B
Retailer 10
-
$2,746 USD
View
Most Expensive
B
MOH London
LG407945506 · Oct 29
$4,630 USD
£3,646 GBP
View
10 more retailers have this diamond
Prices start from $1,140 USDSave up to $3,490 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
$1,140 USD