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Round|Lab Grown|IGI

1.53ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG803648852

Shape and cutting style on the report: Round brilliant

Certificate IGI LG803648852

Diamond specifications and retailer prices

From $371 USD
As of November 5, 2026
Save $893 USD (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,264 USD 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG803648852 or 803648852. Listed at 5 retailers as of November 1, 2026, with prices from $371 to $1,264, a $893 spread on the same certified stone. MOH London lists it at $1,264. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803648852
Dimensions7.50 × 7.47 × 4.45 mm
L/W Ratio1.00
Girdle conditionFaceted
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 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803648852
Side View
Table 59.0%Crown 33.2°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 59.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $1,264 USD|Low: $371 USD|High: $1,279 USD|Avg: $712 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 4, 2026
Retailer 5$371 USD
Retailer 4$484 USD
Retailer 3$620 USD
Retailer 2$760 USD
MOH London$1,264 USD

18 data points across 5 retailers

5 retailers$371 USD to $1,264 USD

A
Cheapest Retailer
-
$371 USD
A
Retailer 2
-
$484 USD
View
B+
Retailer 3
-
$620 USD
View
B
Retailer 4
-
$760 USD
View
Most Expensive
B
MOH London
LG803648852 · Nov 1
$1,264 USD
£995 GBP
View
4 more retailers have this diamond
Prices start from $371 USDSave up to $893 USD

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
$371 USD