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Marquise|Lab Grown|IGI

0.53ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG436045410

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436045410

Diamond specifications and retailer prices

From $561 NZD
$316 USD
As of November 2, 2026
Save $2,039 NZD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,801 NZD at MOH London · As of October 21, 2026
View at MOH London

About this 0.53ct lab-grown marquise diamond

This 0.53ct lab-grown marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045410 or 436045410. Listed at 12 retailers as of November 1, 2026, with a 364% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.53
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045410
Dimensions8.85 × 4.10 × 2.54 mm
L/W Ratio2.16
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.85 mm4.10 mm0.53 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436045410
Side View
Table 60.0%Crown 34.3°Girdle: MED-THKPavilion 41.5°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,801 NZD|Low: $538 NZD|High: $2,821 NZD|Avg: $1,369 NZD|+0.5%
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
October 25, 2026
Retailer 10$561 NZD
Retailer 3$626 NZD
Retailer 8$632 NZD
Retailer 15$651 NZD
Retailer 11$656 NZD
Retailer 12$696 NZD
Retailer 16$696 NZD
Retailer 5$967 NZD
Retailer 14$1,130 NZD
Retailer 2$1,265 NZD
Retailer 6$1,352 NZD
Retailer 9$2,039 NZD
Retailer 13$2,236 NZD
Retailer 4$2,600 NZD
Retailer 7$2,794 NZD
MOH London$2,801 NZD

23 data points across 16 retailers

12 retailers$561 NZD to $2,600 NZD

A
Cheapest Retailer
-
$561 NZD
$316 USD
A
Retailer 2
-
$626 NZD
$353 USD
View
Final sale: no returns
B+
Retailer 3
-
$651 NZD
$367 USD
View
B+
Retailer 4
-
$656 NZD
$370 USD
View
Retailer 5
-
$696 NZD
$392 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$696 NZD
$392 USD
View
B
Retailer 7
-
$1,130 NZD
$637 USD
View
Retailer 8
-
$1,265 NZD
€679 EUR
View
Price last confirmed 8 days ago
B
Retailer 9
-
$2,039 NZD
$1,149 USD
View
B
Retailer 10
-
$2,236 NZD
$1,260 USD
View
B
Retailer 11
-
$2,600 NZD
$1,465 USD
View
Most Expensive
MOH London
LG436045410 · Oct 21
$2,801 NZD
£1,243 GBP
View
Price last confirmed 12 days ago
11 more retailers have this diamond
Prices start from $561 NZDSave up to $2,039 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
0.53ct Marquise
$561 NZD