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1.53ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG781631509

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781631509

Diamond specifications and retailer prices

From HK$1,491 HKD
$190 USD
As of November 1, 2026
Save HK$7,138 HKD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$8,629 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.53ct lab-grown round diamond

This 1.53ct 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 LG781631509 or 781631509. Listed at 19 retailers as of November 1, 2026, with prices from HK$1,491 to HK$8,629, a HK$7,138 spread on the same certified stone. MOH London lists it at HK$8,629. 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

1.53
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781631509
Dimensions7.50 × 7.47 × 4.45 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.50 mm7.47 mm1.53 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781631509
Side View
Table 62.0%Crown 32.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.5%

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 1
Current: HK$8,629 HKD|Low: HK$1,467 HKD|High: HK$8,948 HKD|Avg: HK$4,219 HKD|-3.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 4HK$1,491 HKD
Retailer 14HK$1,655 HKD
Retailer 13HK$1,726 HKD
Retailer 9HK$1,844 HKD
Retailer 5HK$1,859 HKD
Retailer 15HK$3,240 HKD
Retailer 2HK$3,318 HKD
Retailer 6HK$3,625 HKD
Retailer 12HK$4,464 HKD
Retailer 11HK$4,739 HKD
Retailer 7HK$5,649 HKD
Retailer 10HK$5,931 HKD
Retailer 16HK$6,021 HKD
Retailer 3HK$6,356 HKD
Retailer 8HK$6,826 HKD
MOH LondonHK$8,629 HKD

33 data points across 16 retailers

19 retailersHK$1,491 HKD to HK$8,629 HKD

A
Cheapest Retailer
-
HK$1,491 HKD
$190 USD
Retailer 2
-
HK$1,491 HKD
$190 USD
View
Price last confirmed 44 days ago
A
Retailer 3
-
HK$1,655 HKD
$211 USD
View
Final sale: no returns
A
Retailer 4
-
HK$1,726 HKD
$220 USD
View
Retailer 5
-
HK$1,820 HKD
$232 USD
View
Price last confirmed 43 days ago
A
Retailer 6
-
HK$1,844 HKD
$235 USD
View
Retailer 7
-
HK$1,859 HKD
$237 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
HK$3,240 HKD
$413 USD
View
A
Retailer 9
-
HK$3,318 HKD
£333 GBP
View
A
Retailer 10
-
HK$3,625 HKD
$462 USD
View
B+
Retailer 11
-
HK$4,464 HKD
$569 USD
View
B+
Retailer 12
-
HK$4,739 HKD
$604 USD
View
Retailer 13
-
HK$5,649 HKD
$720 USD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
HK$5,931 HKD
$756 USD
View
Retailer 15
-
HK$5,931 HKD
$756 USD
View
Price last confirmed 41 days ago
B+
Retailer 16
-
HK$6,021 HKD
SGD 1,037 SGD
View
B+
Retailer 17
-
HK$6,356 HKD
$810 USD
View
B
Retailer 18
-
HK$6,826 HKD
$870 USD
View
Most Expensive
B
MOH London
LG781631509 · Nov 1
HK$8,629 HKD
£866 GBP
View
18 more retailers have this diamond
Prices start from HK$1,491 HKDSave up to HK$7,138 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
1.53ct Round
HK$1,491 HKD