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Marquise|Lab Grown|IGI

0.91ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG783655428

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG783655428

Diamond specifications and retailer prices

From $224 NZD
$126 USD
As of October 30, 2026
Save $2,084 NZD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,307 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 0.91ct lab-grown marquise diamond

This 0.91ct lab-grown marquise sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG783655428 or 783655428. Listed at 17 retailers as of October 30, 2026, with prices from $224 to $2,307, a $2,084 spread on the same certified stone. MOH London lists it at $2,307. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783655428
Dimensions9.62 × 5.08 × 3.14 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.62 mm5.08 mm0.91 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG783655428
Side View
Table 61.0%Crown 37.1°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 61.8%

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: $2,307 NZD|Low: $224 NZD|High: $2,438 NZD|Avg: $689 NZD|-4.2%
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 13$224 NZD
Retailer 5$248 NZD
Retailer 7$259 NZD
Retailer 3$295 NZD
Retailer 6$295 NZD
Retailer 4$376 NZD
Retailer 2$459 NZD
Retailer 12$460 NZD
Retailer 11$501 NZD
Retailer 10$569 NZD
Retailer 15$841 NZD
Retailer 14$889 NZD
Retailer 16$939 NZD
Retailer 8$989 NZD
Retailer 9$1,065 NZD
MOH London$2,307 NZD

42 data points across 16 retailers

17 retailers$224 NZD to $2,307 NZD

A
Cheapest Retailer
-
$224 NZD
$126 USD
A
Retailer 2
-
$248 NZD
$140 USD
View
Final sale: no returns
A
Retailer 3
-
$259 NZD
$146 USD
View
Retailer 4
-
$295 NZD
$166 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$295 NZD
$166 USD
View
B+
Retailer 6
-
$376 NZD
$212 USD
View
A
Retailer 7
-
$459 NZD
£204 GBP
View
A
Retailer 8
-
$460 NZD
$259 USD
View
A
Retailer 9
-
$501 NZD
€269 EUR
View
B+
Retailer 10
-
$569 NZD
£252 GBP
View
B+
Retailer 11
-
$841 NZD
$474 USD
View
Retailer 12
-
$854 NZD
$481 USD
View
Price last confirmed 77 days ago
B
Retailer 13
-
$889 NZD
$501 USD
View
B
Retailer 14
-
$939 NZD
$529 USD
View
B
Retailer 15
-
$989 NZD
$557 USD
View
B
Retailer 16
-
$1,065 NZD
$600 USD
View
Most Expensive
B
MOH London
LG783655428 · Nov 1
$2,307 NZD
£1,024 GBP
View
16 more retailers have this diamond
Prices start from $224 NZDSave up to $2,084 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
$224 NZD