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Marquise|Lab Grown|IGI

1.53ct K SI1 Marquise Lab Grown Diamond

EX • K/SI1 • IGI LG436074723

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436074723

Diamond specifications and retailer prices

From $1,676 NZD
As of November 6, 2026
Save $4,897 NZD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,573 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 1.53ct lab-grown marquise diamond

This 1.53ct lab-grown marquise sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436074723 or 436074723. Listed at 9 retailers as of November 5, 2026, with prices from $1,676 to $6,573, a $4,897 spread on the same certified stone. MOH London lists it at $6,573. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074723
Dimensions11.14 × 6.17 × 3.92 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
11.14 mm6.17 mm1.53 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436074723
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 63.5%

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 6
Current: $6,573 NZD|Low: $1,607 NZD|High: $6,669 NZD|Avg: $3,491 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4$1,676 NZD
Retailer 5$1,943 NZD
Retailer 8$2,105 NZD
Retailer 2$2,255 NZD
Retailer 7$2,868 NZD
Retailer 6$3,114 NZD
Retailer 3$4,322 NZD
Retailer 9$5,563 NZD
MOH London$6,573 NZD

17 data points across 9 retailers

9 retailers$1,676 NZD to $6,573 NZD

A
Cheapest Retailer
-
$1,676 NZD
A
Retailer 2
-
$1,822 NZD
View
A
Retailer 3
-
$1,943 NZD
View
Retailer 4
-
$1,943 NZD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$2,255 NZD
View
B+
Retailer 6
-
$3,114 NZD
View
B
Retailer 7
-
$4,322 NZD
View
B
Retailer 8
-
$5,464 NZD
View
Most Expensive
B
MOH London
LG436074723 · Nov 5
$6,573 NZD
£2,869 GBP
View
8 more retailers have this diamond
Prices start from $1,676 NZDSave up to $4,897 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 Marquise
$1,676 NZD