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Radiant|Lab Grown|IGI

1.53ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG685553936

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG685553936

Diamond specifications and retailer prices

From $307 NZD
As of November 6, 2026
Save $1,469 NZD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,775 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.53ct lab-grown radiant diamond

This 1.53ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG685553936 or 685553936. Listed at 15 retailers as of November 1, 2026, with prices from $307 to $1,775, a $1,469 spread on the same certified stone. MOH London lists it at $1,775. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685553936
Dimensions8.29 × 5.61 × 3.78 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.29 mm5.61 mm1.53 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685553936
Side View
Table 62.0%Crown 43°Girdle: Slightly ThickPavilion 34.5°Culet: NoneDepth 67.4%

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 6
Current: $1,775 NZD|Low: $307 NZD|High: $2,471 NZD|Avg: $928 NZD
MOH London
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
Retailer 15
Retailer 16
November 7, 2026
Retailer 6$307 NZD
Retailer 5$355 NZD
Retailer 13$381 NZD
Retailer 3$438 NZD
Retailer 10$483 NZD
Retailer 9$657 NZD
Retailer 2$667 NZD
Retailer 4$680 NZD
Retailer 16$833 NZD
Retailer 14$851 NZD
Retailer 15$1,221 NZD
Retailer 12$1,290 NZD
Retailer 11$1,299 NZD
Retailer 7$1,385 NZD
MOH London$1,775 NZD
Retailer 8$2,471 NZD

12 data points across 16 retailers

15 retailers$307 NZD to $1,775 NZD

A
Cheapest Retailer
-
$307 NZD
A
Retailer 2
-
$355 NZD
View
A
Retailer 3
-
$381 NZD
View
A
Retailer 4
-
$438 NZD
View
A
Retailer 5
-
$483 NZD
View
A
Retailer 6
-
$657 NZD
View
A
Retailer 7
-
$667 NZD
View
B+
Retailer 8
-
$680 NZD
View
A
Retailer 9
-
$833 NZD
View
A
Retailer 10
-
$851 NZD
View
B+
Retailer 11
-
$1,221 NZD
View
B+
Retailer 12
-
$1,290 NZD
View
B+
Retailer 13
-
$1,299 NZD
View
B+
Retailer 14
-
$1,394 NZD
View
Most Expensive
B
MOH London
LG685553936 · Nov 1
$1,775 NZD
£775 GBP
View
14 more retailers have this diamond
Prices start from $307 NZDSave up to $1,469 NZD

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 Radiant
$307 NZD