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Marquise|Lab Grown|IGI

0.55ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG826605597

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826605597

Diamond specifications and retailer prices

From $160 NZD
$90 USD
As of November 2, 2026
Save $1,298 NZD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,458 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 0.55ct lab-grown marquise diamond

This 0.55ct lab-grown marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG826605597 or 826605597. Listed at 14 retailers as of November 1, 2026, with prices from $160 to $1,458, a $1,298 spread on the same certified stone. MOH London lists it at $1,458. 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

0.55
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826605597
Dimensions9.60 × 3.87 × 2.60 mm
L/W Ratio2.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.60 mm3.87 mm0.55 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826605597
Side View
Table 62.0%Crown 36.2°Girdle: STK-THKPavilion 41.8°Culet: NoneDepth 67.2%

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: $1,458 NZD|Low: $155 NZD|High: $1,476 NZD|Avg: $445 NZD|-0.2%
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
November 2, 2026
Retailer 11$160 NZD
Retailer 6$180 NZD
Retailer 14$187 NZD
Retailer 3$211 NZD
Retailer 12$211 NZD
Retailer 5$270 NZD
Retailer 9$293 NZD
Retailer 2$369 NZD
Retailer 8$373 NZD
Retailer 7$479 NZD
Retailer 4$615 NZD
Retailer 13$638 NZD
Retailer 10$711 NZD
MOH London$1,458 NZD

46 data points across 14 retailers

14 retailers$160 NZD to $1,458 NZD

A
Cheapest Retailer
-
$160 NZD
$90 USD
A
Retailer 2
-
$180 NZD
$101 USD
View
Final sale: no returns
A
Retailer 3
-
$187 NZD
$105 USD
View
A
Retailer 4
-
$211 NZD
$119 USD
View
Retailer 5
-
$211 NZD
$119 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$270 NZD
$152 USD
View
A
Retailer 7
-
$293 NZD
$165 USD
View
A
Retailer 8
-
$369 NZD
£163 GBP
View
A
Retailer 9
-
$373 NZD
€200 EUR
View
B+
Retailer 10
-
$479 NZD
£212 GBP
View
B
Retailer 11
-
$615 NZD
$346 USD
View
B+
Retailer 12
-
$638 NZD
$359 USD
View
B
Retailer 13
-
$711 NZD
$400 USD
View
Most Expensive
B
MOH London
LG826605597 · Nov 1
$1,458 NZD
£646 GBP
View
13 more retailers have this diamond
Prices start from $160 NZDSave up to $1,298 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
0.55ct Marquise
$160 NZD