Round|Lab Grown|IGI

1.51ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG799642664

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799642664

Diamond specifications and retailer prices

From HK$1,679 HKD
As of November 3, 2026
Save HK$6,630 HKD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$10,513 HKD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG799642664 or 799642664. Listed at 20 retailers as of November 3, 2026, with a 395% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799642664
Dimensions7.34 × 7.28 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.34 mm7.28 mm1.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799642664
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.9%

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: Nov 3
Current: HK$10,513 HKD|Low: HK$1,648 HKD|High: HK$10,513 HKD|Avg: HK$4,727 HKD|+10.7%
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 8HK$1,679 HKD
Retailer 6HK$1,875 HKD
Retailer 4HK$1,946 HKD
Retailer 5HK$2,079 HKD
Retailer 16HK$2,079 HKD
Retailer 17HK$3,523 HKD
Retailer 14HK$3,570 HKD
Retailer 12HK$3,586 HKD
Retailer 13HK$4,668 HKD
Retailer 15HK$4,857 HKD
Retailer 11HK$5,547 HKD
Retailer 10HK$5,688 HKD
Retailer 3HK$6,685 HKD
Retailer 7HK$6,747 HKD
Retailer 9HK$7,100 HKD
Retailer 2HK$8,309 HKD
Brilliant EarthHK$10,513 HKD

34 data points across 17 retailers

20 retailersHK$1,679 HKD to HK$8,309 HKD

Retailer 1
-
HK$1,671 HKD
Price last confirmed 48 days ago
A
Retailer 2
-
HK$1,679 HKD
View
A
Retailer 3
-
HK$1,875 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$1,946 HKD
View
Retailer 5
-
HK$2,040 HKD
View
Price last confirmed 47 days ago
Retailer 6
-
HK$2,079 HKD
View
Price last confirmed 11 days ago
A
Retailer 7
-
HK$2,079 HKD
View
A
Retailer 8
-
HK$3,523 HKD
View
A
Retailer 9
-
HK$3,570 HKD
View
A
Retailer 10
-
HK$3,586 HKD
View
A
Retailer 11
-
HK$4,668 HKD
View
Retailer 12
-
HK$4,857 HKD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
HK$5,547 HKD
View
B+
Retailer 14
-
HK$5,688 HKD
View
Retailer 15
-
HK$6,653 HKD
View
Price last confirmed 45 days ago
B+
Retailer 16
-
HK$6,685 HKD
View
B+
Retailer 17
-
HK$6,747 HKD
View
B+
Retailer 18
-
HK$7,100 HKD
View
B+
Retailer 19
-
HK$8,309 HKD
View
Most Expensive
Brilliant Earth
21503762A · Oct 16
HK$10,513 HKD
$1,340 USD
View
Price last confirmed 19 days ago
19 more retailers have this diamond
Prices start from HK$1,679 HKDSave up to HK$6,630 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$1,679 HKD