CaratHunter
Plans
Round|Lab Grown|IGI

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 $353 SGD
As of November 4, 2026
Save $1,704 SGD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,056 SGD 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 $353 to $2,056, a $1,704 spread on the same certified stone. Brilliant Earth lists it at $2,056. 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: $2,056 SGD|Low: $353 SGD|High: $2,108 SGD|Avg: $892 SGD|-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 3$353 SGD
Retailer 10$392 SGD
Retailer 11$526 SGD
Retailer 9$594 SGD
Retailer 5$705 SGD
Retailer 2$736 SGD
Retailer 6$761 SGD
Retailer 7$1,015 SGD
Retailer 8$1,265 SGD
Retailer 4$1,566 SGD
Brilliant Earth$2,056 SGD

43 data points across 11 retailers

15 retailers$353 SGD to $2,056 SGD

Retailer 1
-
$315 SGD
Price last confirmed 45 days ago
A
Retailer 2
-
$353 SGD
View
Final sale: no returns
Retailer 3
-
$367 SGD
View
Price last confirmed 45 days ago
Retailer 4
-
$387 SGD
View
Price last confirmed 42 days ago
B+
Retailer 5
-
$526 SGD
View
A
Retailer 6
-
$594 SGD
View
B+
Retailer 7
-
$705 SGD
View
B+
Retailer 8
-
$736 SGD
View
B+
Retailer 9
-
$761 SGD
View
B+
Retailer 10
-
$1,015 SGD
View
Retailer 11
-
$1,259 SGD
View
Price last confirmed 46 days ago
B
Retailer 12
-
$1,265 SGD
View
B
Retailer 13
-
$1,326 SGD
View
B
Retailer 14
-
$1,566 SGD
View
Most Expensive
B
Brilliant Earth
16145642A · Oct 31
$2,056 SGD
$1,610 USD
View
14 more retailers have this diamond
Prices start from $353 SGDSave up to $1,704 SGD

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
$353 SGD