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1.53ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG747578077

Shape and cutting style on the report: Round brilliant

Certificate IGI LG747578077

Diamond specifications and retailer prices

From HK$1,671 HKD
As of November 1, 2026
Save HK$10,960 HKD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$12,631 HKD at Brilliant Earth · As of November 5, 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 LG747578077 or 747578077. Listed at 19 retailers as of November 1, 2026, with prices from HK$1,671 to HK$12,631, a HK$10,960 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747578077
Dimensions7.39 × 7.33 × 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
7.39 mm7.33 mm1.53 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747578077
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.6%

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$8,316 HKD|Low: HK$1,600 HKD|High: HK$12,631 HKD|Avg: HK$4,627 HKD|-4.5%
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
November 6, 2026
Retailer 13HK$1,671 HKD
Retailer 3HK$2,071 HKD
Retailer 14HK$2,071 HKD
Retailer 2HK$2,495 HKD
Retailer 8HK$3,311 HKD
Retailer 6HK$3,554 HKD
Retailer 11HK$3,774 HKD
Retailer 10HK$4,064 HKD
Retailer 5HK$4,080 HKD
Retailer 7HK$5,955 HKD
Retailer 9HK$6,002 HKD
Retailer 4HK$6,661 HKD
Brilliant EarthHK$8,316 HKD
Retailer 12HK$8,347 HKD

44 data points across 14 retailers

19 retailersHK$1,671 HKD to HK$12,631 HKD

Retailer 1
-
HK$1,671 HKD
Price last confirmed 44 days ago
A
Retailer 2
-
HK$1,671 HKD
View
Retailer 3
-
HK$1,938 HKD
View
Price last confirmed 45 days ago
Retailer 4
-
HK$2,048 HKD
View
Price last confirmed 42 days ago
A
Retailer 5
-
HK$2,071 HKD
View
Retailer 6
-
HK$2,071 HKD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
HK$2,495 HKD
View
A
Retailer 8
-
HK$3,311 HKD
View
A
Retailer 9
-
HK$3,554 HKD
View
B+
Retailer 10
-
HK$3,774 HKD
View
B+
Retailer 11
-
HK$4,064 HKD
View
B+
Retailer 12
-
HK$4,080 HKD
View
B+
Retailer 13
-
HK$5,437 HKD
View
B+
Retailer 14
-
HK$5,955 HKD
View
B
Retailer 15
-
HK$6,002 HKD
View
B
Retailer 16
-
HK$6,661 HKD
View
B
Retailer 17
-
HK$8,316 HKD
View
Retailer 18
-
HK$8,347 HKD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21116661A · Nov 5
HK$12,631 HKD
$1,610 USD
View
18 more retailers have this diamond
Prices start from HK$1,671 HKDSave up to HK$10,960 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$1,671 HKD