Marquise|Lab Grown|IGI

1.01ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • IGI LG809685305

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG809685305

Diamond specifications and retailer prices

From $457 AUD
As of November 6, 2026
Save $782 AUD (63%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,239 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG809685305 or 809685305. Listed at 8 retailers as of November 4, 2026, with prices from $457 to $1,239, a $782 spread on the same certified stone. MOH London lists it at $1,239. 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

1.01
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809685305
Dimensions10.05 × 5.39 × 3.33 mm
L/W Ratio1.86
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.05 mm5.39 mm1.01 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809685305
Side View
Table 59.0%Crown 30.5°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
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: Nov 6
Current: $1,239 AUD|Low: $444 AUD|High: $1,321 AUD|Avg: $693 AUD|-5.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2$457 AUD
Retailer 4$459 AUD
Retailer 6$489 AUD
Retailer 3$504 AUD
Retailer 5$721 AUD
Retailer 8$757 AUD
Retailer 7$933 AUD
MOH London$1,239 AUD

43 data points across 8 retailers

8 retailers$457 AUD to $1,239 AUD

A
Cheapest Retailer
-
$457 AUD
A
Retailer 2
-
$459 AUD
View
B+
Retailer 3
-
$489 AUD
View
A
Retailer 4
-
$504 AUD
View
B+
Retailer 5
-
$721 AUD
View
Retailer 6
-
$757 AUD
View
Price last confirmed 9 days ago
B
Retailer 7
-
$933 AUD
View
Most Expensive
B
MOH London
LG809685305 · Nov 4
$1,239 AUD
£683 GBP
View
7 more retailers have this diamond
Prices start from $457 AUDSave up to $782 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
1.01ct Marquise
$457 AUD