CaratHunter
Plans
Round|Lab Grown|IGI

1.51ct J I1 Round Lab Grown Diamond

EX • J/I1 • IGI LG788685687

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788685687

Diamond specifications and retailer prices

From $198 SGD
$155 USD
As of November 1, 2026
Save $1,107 SGD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,305 SGD at MOH London · As of November 1, 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 I1 clarity (included), with a top-tier cut grade and certified by IGI LG788685687 or 788685687. Listed at 11 retailers as of November 1, 2026, with prices from $198 to $1,305, a $1,107 spread on the same certified stone. MOH London lists it at $1,305. 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
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788685687
Dimensions7.39 × 7.43 × 4.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.39 mm7.43 mm1.51 ctJ / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788685687
Side View
Table 62.0%Crown 34.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.0%

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: Nov 1
Current: $1,305 SGD|Low: $192 SGD|High: $1,408 SGD|Avg: $502 SGD|-7.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 4$198 SGD
Retailer 9$225 SGD
Retailer 8$261 SGD
Retailer 10$279 SGD
Retailer 6$280 SGD
Retailer 2$355 SGD
Retailer 5$474 SGD
Retailer 3$611 SGD
Retailer 11$701 SGD
Retailer 7$897 SGD
MOH London$1,305 SGD

27 data points across 11 retailers

11 retailers$198 SGD to $1,305 SGD

A
Cheapest Retailer
-
$198 SGD
$155 USD
A
Retailer 2
-
$225 SGD
$176 USD
View
A
Retailer 3
-
$261 SGD
$204 USD
View
Retailer 4
-
$279 SGD
$218 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$280 SGD
$219 USD
View
B+
Retailer 6
-
$355 SGD
$278 USD
View
B+
Retailer 7
-
$474 SGD
€353 EUR
View
B+
Retailer 8
-
$611 SGD
$478 USD
View
B+
Retailer 9
-
$701 SGD
$548 USD
View
B+
Retailer 10
-
$897 SGD
$702 USD
View
Most Expensive
B
MOH London
LG788685687 · Nov 1
$1,305 SGD
£804 GBP
View
10 more retailers have this diamond
Prices start from $198 SGDSave up to $1,107 SGD

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
$198 SGD