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1.51ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG631466945

Shape and cutting style on the report: Round brilliant

Certificate IGI LG631466945

Diamond specifications and retailer prices

From HK$1,538 HKD
$196 USD
As of November 1, 2026
Save HK$7,390 HKD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$8,928 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 LG631466945 or 631466945. Listed at 13 retailers as of November 1, 2026, with prices from HK$1,538 to HK$8,928, a HK$7,390 spread on the same certified stone. MOH London lists it at HK$8,928. 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 angle33.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631466945
Dimensions7.46 × 7.40 × 4.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.46 mm7.40 mm1.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631466945
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 59.8%

Caratlytics Score

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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$8,928 HKD|Low: HK$1,538 HKD|High: HK$8,978 HKD|Avg: HK$4,194 HKD|+2.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 3HK$1,538 HKD
Retailer 12HK$1,789 HKD
Retailer 11HK$1,907 HKD
Retailer 4HK$1,938 HKD
Retailer 7HK$3,327 HKD
Retailer 2HK$3,402 HKD
Retailer 5HK$3,483 HKD
Retailer 6HK$4,519 HKD
Retailer 9HK$5,649 HKD
Retailer 10HK$6,143 HKD
Retailer 8HK$6,159 HKD
MOH LondonHK$8,928 HKD

44 data points across 12 retailers

13 retailersHK$1,538 HKD to HK$8,928 HKD

A
Cheapest Retailer
-
HK$1,538 HKD
$196 USD
A
Retailer 2
-
HK$1,789 HKD
$228 USD
View
A
Retailer 3
-
HK$1,907 HKD
$243 USD
View
A
Retailer 4
-
HK$1,938 HKD
$247 USD
View
Final sale: no returns
Retailer 5
-
HK$2,150 HKD
$274 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$3,327 HKD
$424 USD
View
A
Retailer 7
-
HK$3,402 HKD
£341 GBP
View
A
Retailer 8
-
HK$3,483 HKD
£350 GBP
View
B+
Retailer 9
-
HK$4,519 HKD
$576 USD
View
B+
Retailer 10
-
HK$5,649 HKD
$720 USD
View
B+
Retailer 11
-
HK$6,143 HKD
$783 USD
View
B+
Retailer 12
-
HK$6,159 HKD
$785 USD
View
Most Expensive
B
MOH London
LG631466945 · Nov 1
HK$8,928 HKD
£896 GBP
View
12 more retailers have this diamond
Prices start from HK$1,538 HKDSave up to HK$7,390 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$1,538 HKD