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Round|Lab Grown|IGI

1.51ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG816620204

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816620204

Diamond specifications and retailer prices

From HK$1,679 HKD
As of November 3, 2026
Save HK$7,265 HKD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$8,944 HKD at Brilliant Earth · As of November 4, 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 LG816620204 or 816620204. Listed at 20 retailers as of November 3, 2026, with prices from HK$1,679 to HK$8,944, a HK$7,265 spread on the same certified stone. Brilliant Earth lists it at HK$8,944. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816620204
Dimensions7.51 × 7.48 × 4.44 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.51 mm7.48 mm1.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816620204
Side View
Table 61.0%Crown 32.6°Girdle: MediumPavilion 41.1°Culet: NoneDepth 59.3%

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$8,944 HKD|Low: HK$1,624 HKD|High: HK$11,769 HKD|Avg: HK$4,773 HKD|-24.0%
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
November 5, 2026
Retailer 8HK$1,679 HKD
Retailer 6HK$1,875 HKD
Retailer 3HK$1,946 HKD
Retailer 5HK$2,079 HKD
Retailer 14HK$2,079 HKD
Retailer 15HK$3,523 HKD
Retailer 12HK$3,570 HKD
Retailer 11HK$3,586 HKD
Retailer 13HK$4,857 HKD
Retailer 10HK$5,547 HKD
Retailer 9HK$5,688 HKD
Retailer 16HK$6,685 HKD
Retailer 7HK$6,747 HKD
Retailer 4HK$7,100 HKD
Retailer 2HK$8,309 HKD
Brilliant EarthHK$8,944 HKD

37 data points across 16 retailers

20 retailersHK$1,679 HKD to HK$8,944 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
A
Retailer 6
-
HK$2,079 HKD
View
Retailer 7
-
HK$2,079 HKD
View
Price last confirmed 11 days ago
A
Retailer 8
-
HK$3,523 HKD
View
A
Retailer 9
-
HK$3,570 HKD
View
A
Retailer 10
-
HK$3,586 HKD
View
Retailer 11
-
HK$4,857 HKD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
HK$5,547 HKD
View
B+
Retailer 13
-
HK$5,688 HKD
View
Retailer 14
-
HK$6,041 HKD
View
Price last confirmed 18 days ago
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
B
Brilliant Earth
21492018A · Nov 4
HK$8,944 HKD
$1,140 USD
View
19 more retailers have this diamond
Prices start from HK$1,679 HKDSave up to HK$7,265 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