Round|Lab Grown|IGI

1.51ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG451057449

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451057449

Diamond specifications and retailer prices

From HK$6,826 HKD
$870 USD
As of October 31, 2026
Save HK$32,203 HKD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$39,029 HKD 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG451057449 or 451057449. Listed at 12 retailers as of October 29, 2026, with prices from HK$6,826 to HK$39,029, a HK$32,203 spread on the same certified stone. MOH London lists it at HK$39,029. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057449
Dimensions7.37 × 7.32 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.37 mm7.32 mm1.51 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057449
Side View
Table 54.0%Crown 35.5°Girdle: MediumPavilion 40.3°Culet: NoneDepth 62.1%

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 31
Current: HK$39,029 HKD|Low: HK$6,826 HKD|High: HK$39,288 HKD|Avg: HK$17,740 HKD|+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
Retailer 13
Retailer 14
October 30, 2026
Retailer 2HK$6,826 HKD
Retailer 8HK$10,419 HKD
Retailer 11HK$11,329 HKD
Retailer 13HK$11,667 HKD
Retailer 9HK$12,082 HKD
Retailer 14HK$13,416 HKD
Retailer 5HK$14,094 HKD
Retailer 4HK$16,609 HKD
Retailer 10HK$19,104 HKD
Retailer 7HK$22,211 HKD
Retailer 3HK$22,517 HKD
Retailer 12HK$22,651 HKD
Retailer 6HK$27,034 HKD
MOH LondonHK$39,029 HKD

19 data points across 14 retailers

12 retailersHK$6,826 HKD to HK$39,029 HKD

A
Cheapest Retailer
-
HK$6,826 HKD
$870 USD
A
Retailer 2
-
HK$10,419 HKD
$1,328 USD
View
B+
Retailer 3
-
HK$11,329 HKD
$1,444 USD
View
B+
Retailer 4
-
HK$11,667 HKD
$1,487 USD
View
Final sale: no returns
Retailer 5
-
HK$12,082 HKD
$1,540 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
HK$12,082 HKD
$1,540 USD
View
B+
Retailer 7
-
HK$13,416 HKD
$1,710 USD
View
B
Retailer 8
-
HK$19,104 HKD
$2,435 USD
View
B
Retailer 9
-
HK$22,211 HKD
ZAR 45,734 ZAR
View
B
Retailer 10
-
HK$22,517 HKD
$2,870 USD
View
B
Retailer 11
-
HK$22,651 HKD
$2,887 USD
View
Most Expensive
B
MOH London
LG451057449 · Oct 29
HK$39,029 HKD
£3,917 GBP
View
11 more retailers have this diamond
Prices start from HK$6,826 HKDSave up to HK$32,203 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$6,826 HKD