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1.53ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG494162070

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494162070

Diamond specifications and retailer prices

From HK$2,165 HKD
As of November 4, 2026
Save HK$10,465 HKD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$12,631 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG494162070 or 494162070. Listed at 15 retailers as of October 31, 2026, with prices from HK$2,165 to HK$12,631, a HK$10,465 spread on the same certified stone. Brilliant Earth lists it at HK$12,631. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494162070
Dimensions7.42 × 7.38 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.42 mm7.38 mm1.53 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494162070
Side View
Table 56.5%Crown 35.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.2%

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 4
Current: HK$12,631 HKD|Low: HK$2,165 HKD|High: HK$12,945 HKD|Avg: HK$5,477 HKD|-2.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3HK$2,165 HKD
Retailer 10HK$2,408 HKD
Retailer 11HK$3,232 HKD
Retailer 9HK$3,648 HKD
Retailer 5HK$4,331 HKD
Retailer 2HK$4,519 HKD
Retailer 6HK$4,676 HKD
Retailer 7HK$6,237 HKD
Retailer 8HK$7,767 HKD
Retailer 4HK$9,618 HKD
Brilliant EarthHK$12,631 HKD

43 data points across 11 retailers

15 retailersHK$2,165 HKD to HK$12,631 HKD

Retailer 1
-
HK$1,938 HKD
Price last confirmed 45 days ago
A
Retailer 2
-
HK$2,165 HKD
View
Final sale: no returns
Retailer 3
-
HK$2,252 HKD
View
Price last confirmed 45 days ago
Retailer 4
-
HK$2,377 HKD
View
Price last confirmed 42 days ago
B+
Retailer 5
-
HK$3,232 HKD
View
A
Retailer 6
-
HK$3,648 HKD
View
B+
Retailer 7
-
HK$4,331 HKD
View
B+
Retailer 8
-
HK$4,519 HKD
View
B+
Retailer 9
-
HK$4,676 HKD
View
B+
Retailer 10
-
HK$6,237 HKD
View
Retailer 11
-
HK$7,735 HKD
View
Price last confirmed 46 days ago
B
Retailer 12
-
HK$7,767 HKD
View
B
Retailer 13
-
HK$8,143 HKD
View
B
Retailer 14
-
HK$9,618 HKD
View
Most Expensive
B
Brilliant Earth
16145642A · Oct 31
HK$12,631 HKD
$1,610 USD
View
14 more retailers have this diamond
Prices start from HK$2,165 HKDSave up to HK$10,465 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$2,165 HKD