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1.51ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG792616784

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792616784

Diamond specifications and retailer prices

From HK$1,514 HKD
$193 USD
As of November 1, 2026
Save HK$7,274 HKD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$8,788 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG792616784 or 792616784. Listed at 19 retailers as of November 1, 2026, with prices from HK$1,514 to HK$8,788, a HK$7,274 spread on the same certified stone. MOH London lists it at HK$8,788. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792616784
Dimensions7.34 × 7.29 × 4.55 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
7.34 mm7.29 mm1.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792616784
Side View
Table 56.0%Crown 33.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$8,788 HKD|Low: HK$1,483 HKD|High: HK$9,077 HKD|Avg: HK$4,301 HKD|-1.8%
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 5HK$1,514 HKD
Retailer 15HK$1,695 HKD
Retailer 14HK$1,757 HKD
Retailer 9HK$1,883 HKD
Retailer 6HK$1,891 HKD
Retailer 16HK$3,287 HKD
Retailer 2HK$3,420 HKD
Retailer 12HK$3,554 HKD
Retailer 13HK$4,488 HKD
Retailer 11HK$4,864 HKD
Retailer 7HK$5,610 HKD
Retailer 10HK$6,049 HKD
Retailer 3HK$6,114 HKD
Retailer 4HK$6,467 HKD
Retailer 8HK$6,747 HKD
MOH LondonHK$8,788 HKD

38 data points across 16 retailers

19 retailersHK$1,514 HKD to HK$8,788 HKD

Retailer 1
-
HK$1,514 HKD
$193 USD
Price last confirmed 44 days ago
A
Retailer 2
-
HK$1,514 HKD
$193 USD
View
A
Retailer 3
-
HK$1,695 HKD
$216 USD
View
Final sale: no returns
A
Retailer 4
-
HK$1,757 HKD
$224 USD
View
Retailer 5
-
HK$1,844 HKD
$235 USD
View
Price last confirmed 43 days ago
A
Retailer 6
-
HK$1,883 HKD
$240 USD
View
Retailer 7
-
HK$1,891 HKD
$241 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
HK$3,287 HKD
$419 USD
View
A
Retailer 9
-
HK$3,420 HKD
£343 GBP
View
A
Retailer 10
-
HK$3,554 HKD
$453 USD
View
B+
Retailer 11
-
HK$4,488 HKD
$572 USD
View
B+
Retailer 12
-
HK$4,864 HKD
$620 USD
View
Retailer 13
-
HK$5,610 HKD
$715 USD
View
Price last confirmed 11 days ago
Retailer 14
-
HK$6,010 HKD
$766 USD
View
Price last confirmed 42 days ago
B
Retailer 15
-
HK$6,049 HKD
$771 USD
View
B+
Retailer 16
-
HK$6,114 HKD
SGD 1,053 SGD
View
B+
Retailer 17
-
HK$6,467 HKD
$824 USD
View
B
Retailer 18
-
HK$6,747 HKD
$860 USD
View
Most Expensive
B
MOH London
LG792616784 · Nov 1
HK$8,788 HKD
£882 GBP
View
18 more retailers have this diamond
Prices start from HK$1,514 HKDSave up to HK$7,274 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$1,514 HKD