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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 $395 NZD
As of November 5, 2026
Save $1,564 NZD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,959 NZD 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 $395 to $1,959, a $1,564 spread on the same certified stone. MOH London lists it at $1,959. 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 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: $1,959 NZD|Low: $379 NZD|High: $1,986 NZD|Avg: $924 NZD|-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$395 NZD
Retailer 9$489 NZD
Retailer 7$662 NZD
Retailer 2$758 NZD
Retailer 3$786 NZD
Retailer 4$900 NZD
Retailer 5$1,370 NZD
Retailer 6$1,580 NZD
MOH London$1,959 NZD

40 data points across 9 retailers

15 retailers$395 NZD to $1,959 NZD

A
Cheapest Retailer
-
$395 NZD
A
Retailer 2
-
$459 NZD
View
Retailer 3
-
$489 NZD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$489 NZD
View
B+
Retailer 5
-
$662 NZD
View
A
Retailer 6
-
$758 NZD
View
A
Retailer 7
-
$786 NZD
View
A
Retailer 8
-
$811 NZD
View
A
Retailer 9
-
$900 NZD
View
B+
Retailer 10
-
$943 NZD
View
B
Retailer 11
-
$1,370 NZD
View
B
Retailer 12
-
$1,574 NZD
View
B
Retailer 13
-
$1,580 NZD
View
B
Retailer 14
-
$1,667 NZD
View
Most Expensive
B
MOH London
LG685556706 · Nov 5
$1,959 NZD
£867 GBP
View
14 more retailers have this diamond
Prices start from $395 NZDSave up to $1,564 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 Round
$395 NZD