CaratHunter
Plans
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 $407 CAD
£229 GBP
As of November 2, 2026
Save $439 CAD (52%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $846 CAD at Taylor and Hart · As of November 1, 2026
View at Taylor and Hart

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 4 retailers as of November 1, 2026, with prices from $407 to $846, a $439 spread on the same certified stone. Taylor and Hart lists it at $846. 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
Color
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 2
Current: $446 CAD|Low: $407 CAD|High: $846 CAD|Avg: $607 CAD
Retailer 1
Retailer 2
Retailer 3
Taylor and Hart
November 2, 2026
Retailer 2$407 CAD
Retailer 1$446 CAD
Retailer 3$492 CAD
Taylor and Hart$846 CAD

2 data points across 4 retailers

4 retailers$407 CAD to $846 CAD

A
Cheapest Retailer
-
$407 CAD
£229 GBP
B+
Retailer 2
-
$446 CAD
$319 USD
View
B+
Retailer 3
-
$492 CAD
£277 GBP
View
Most Expensive
B
Taylor and Hart
6ZMGW2I · Nov 1
$846 CAD
$606 USD
View
3 more retailers have this diamond
Prices start from $407 CADSave up to $439 CAD

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
$407 CAD