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1.53ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG685556706

Shape and cutting style on the report: Round brilliant

Certificate IGI LG685556706

Diamond specifications and retailer prices

From $222 USD
As of November 5, 2026
Save $879 USD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,101 USD at MOH London · As of November 5, 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 LG685556706 or 685556706. Listed at 15 retailers as of November 5, 2026, with prices from $222 to $1,101, a $879 spread on the same certified stone. MOH London lists it at $1,101. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685556706
Dimensions7.47 × 7.44 × 4.49 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
7.47 mm7.44 mm1.53 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685556706
Side View
Table 61.0%Crown 33.8°Girdle: MediumPavilion 41.3°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
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 5
Current: $1,101 USD|Low: $213 USD|High: $1,116 USD|Avg: $519 USD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$222 USD
Retailer 9$275 USD
Retailer 7$372 USD
Retailer 3$426 USD
Retailer 5$445 USD
Retailer 2$506 USD
Retailer 4$770 USD
Retailer 6$888 USD
MOH London$1,101 USD

41 data points across 9 retailers

15 retailers$222 USD to $1,101 USD

A
Cheapest Retailer
-
$222 USD
A
Retailer 2
-
$258 USD
View
Retailer 3
-
$275 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$275 USD
View
B+
Retailer 5
-
$372 USD
View
A
Retailer 6
-
$426 USD
View
A
Retailer 7
-
$445 USD
View
A
Retailer 8
-
$456 USD
View
A
Retailer 9
-
$506 USD
View
B+
Retailer 10
-
$530 USD
View
B
Retailer 11
-
$770 USD
View
B
Retailer 12
-
$885 USD
View
B
Retailer 13
-
$888 USD
View
B
Retailer 14
-
$937 USD
View
Most Expensive
B
MOH London
LG685556706 · Nov 5
$1,101 USD
£867 GBP
View
14 more retailers have this diamond
Prices start from $222 USDSave up to $879 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
$222 USD