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Marquise|Lab Grown|IGI

0.91ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG600350943

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG600350943

Diamond specifications and retailer prices

From $229 NZD
$129 USD
As of October 30, 2026
Save $733 NZD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $962 NZD at Friendly Diamonds · As of October 31, 2026
View at Friendly Diamonds

About this 0.91ct lab-grown marquise diamond

This 0.91ct lab-grown marquise sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG600350943 or 600350943. Listed at 11 retailers as of October 30, 2026, with prices from $229 to $962, a $733 spread on the same certified stone. Friendly Diamonds lists it at $962. 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

0.91
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600350943
Dimensions9.89 × 5.08 × 3.22 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.89 mm5.08 mm0.91 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600350943
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.4%

Caratlytics Score

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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: Oct 30
Current: $962 NZD|Low: $229 NZD|High: $1,136 NZD|Avg: $636 NZD
Friendly Diamonds
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
Retailer 17
October 31, 2026
Retailer 10$229 NZD
Retailer 15$264 NZD
Retailer 12$284 NZD
Retailer 17$318 NZD
Retailer 11$375 NZD
Retailer 2$474 NZD
Retailer 16$539 NZD
Retailer 4$574 NZD
Retailer 3$583 NZD
Retailer 13$713 NZD
Retailer 7$726 NZD
Retailer 9$782 NZD
Retailer 8$862 NZD
Retailer 14$910 NZD
Friendly Diamonds$962 NZD
Retailer 6$1,052 NZD
Retailer 5$1,136 NZD

4 data points across 17 retailers

11 retailers$229 NZD to $962 NZD

A
Cheapest Retailer
-
$229 NZD
$129 USD
A
Retailer 2
-
$264 NZD
$149 USD
View
A
Retailer 3
-
$284 NZD
$160 USD
View
A
Retailer 4
-
$318 NZD
HK$1,400 HKD
View
A
Retailer 5
-
$375 NZD
£166 GBP
View
A
Retailer 6
-
$474 NZD
£210 GBP
View
B+
Retailer 7
-
$539 NZD
$304 USD
View
B+
Retailer 8
-
$583 NZD
£259 GBP
View
B+
Retailer 9
-
$713 NZD
$402 USD
View
B
Retailer 10
-
$910 NZD
$513 USD
View
Most Expensive
B
Friendly Diamonds
6559560 · Oct 31
$962 NZD
$542 USD
View
10 more retailers have this diamond
Prices start from $229 NZDSave up to $733 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
0.91ct Marquise
$229 NZD