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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 HK$1,216 HKD
$155 USD
As of November 1, 2026
Save HK$6,795 HKD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$8,011 HKD 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 HK$1,216 to HK$8,011, a HK$6,795 spread on the same certified stone. MOH London lists it at HK$8,011. 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: HK$8,011 HKD|Low: HK$1,177 HKD|High: HK$8,639 HKD|Avg: HK$3,082 HKD|-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 4HK$1,216 HKD
Retailer 9HK$1,381 HKD
Retailer 8HK$1,601 HKD
Retailer 10HK$1,710 HKD
Retailer 6HK$1,718 HKD
Retailer 2HK$2,181 HKD
Retailer 5HK$2,908 HKD
Retailer 3HK$3,750 HKD
Retailer 11HK$4,299 HKD
Retailer 7HK$5,508 HKD
MOH LondonHK$8,011 HKD

27 data points across 11 retailers

11 retailersHK$1,216 HKD to HK$8,011 HKD

A
Cheapest Retailer
-
HK$1,216 HKD
$155 USD
A
Retailer 2
-
HK$1,381 HKD
$176 USD
View
A
Retailer 3
-
HK$1,601 HKD
$204 USD
View
Retailer 4
-
HK$1,710 HKD
$218 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
HK$1,718 HKD
$219 USD
View
B+
Retailer 6
-
HK$2,181 HKD
$278 USD
View
B+
Retailer 7
-
HK$2,908 HKD
€353 EUR
View
B+
Retailer 8
-
HK$3,750 HKD
$478 USD
View
B+
Retailer 9
-
HK$4,299 HKD
$548 USD
View
B+
Retailer 10
-
HK$5,508 HKD
$702 USD
View
Most Expensive
B
MOH London
LG788685687 · Nov 1
HK$8,011 HKD
£804 GBP
View
10 more retailers have this diamond
Prices start from HK$1,216 HKDSave up to HK$6,795 HKD

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
HK$1,216 HKD