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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 $1,327 AUD
As of November 6, 2026
Save $3,878 AUD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,205 AUD 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 $1,327 to $5,205, a $3,878 spread on the same certified stone. MOH London lists it at $5,205. 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: $5,205 AUD|Low: $1,273 AUD|High: $5,281 AUD|Avg: $2,764 AUD|-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$1,327 AUD
Retailer 5$1,538 AUD
Retailer 8$1,667 AUD
Retailer 2$1,786 AUD
Retailer 7$2,271 AUD
Retailer 6$2,466 AUD
Retailer 3$3,423 AUD
Retailer 9$4,405 AUD
MOH London$5,205 AUD

17 data points across 9 retailers

9 retailers$1,327 AUD to $5,205 AUD

A
Cheapest Retailer
-
$1,327 AUD
A
Retailer 2
-
$1,443 AUD
View
A
Retailer 3
-
$1,538 AUD
View
Retailer 4
-
$1,538 AUD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$1,786 AUD
View
B+
Retailer 6
-
$2,466 AUD
View
B
Retailer 7
-
$3,423 AUD
View
B
Retailer 8
-
$4,327 AUD
View
Most Expensive
B
MOH London
LG436074723 · Nov 5
$5,205 AUD
£2,869 GBP
View
8 more retailers have this diamond
Prices start from $1,327 AUDSave up to $3,878 AUD

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
$1,327 AUD