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Marquise|Lab Grown|IGI

0.91ct G SI1 Marquise Lab Grown Diamond

VG • G/SI1 • IGI LG852610183

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG852610183

Diamond specifications and retailer prices

From $412 AUD
£227 GBP
As of November 3, 2026
Save $730 AUD (64%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,142 AUD at MOH London · As of November 2, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG852610183 or 852610183. Listed at 6 retailers as of November 2, 2026, with prices from $412 to $1,142, a $730 spread on the same certified stone. MOH London lists it at $1,142. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.91
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG852610183
Dimensions10.56 × 4.98 × 3.05 mm
L/W Ratio2.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.56 mm4.98 mm0.91 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG852610183
Side View
Table 59.0%Crown 32.3°Girdle: MED-STKPavilion 39.2°CuletDepth 61.2%

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 3
Current: $1,142 AUD|Low: $412 AUD|High: $1,142 AUD|Avg: $693 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 3, 2026
Retailer 2$412 AUD
Retailer 3$455 AUD
Retailer 4$502 AUD
Retailer 5$864 AUD
MOH London$1,142 AUD

3 data points across 5 retailers

6 retailers$412 AUD to $1,142 AUD

A
Cheapest Retailer
-
$412 AUD
£227 GBP
A
Retailer 2
-
$455 AUD
$319 USD
View
B+
Retailer 3
-
$502 AUD
£277 GBP
View
B+
Retailer 4
-
$614 AUD
$430 USD
View
B
Retailer 5
-
$864 AUD
$606 USD
View
Most Expensive
B
MOH London
LG852610183 · Nov 2
$1,142 AUD
£630 GBP
View
5 more retailers have this diamond
Prices start from $412 AUDSave up to $730 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
0.91ct Marquise
$412 AUD