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Marquise|Lab Grown|IGI

0.85ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG691587807

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG691587807

Diamond specifications and retailer prices

From $174 AUD
$122 USD
As of October 30, 2026
Save $1,634 AUD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,808 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.85ct lab-grown marquise diamond

This 0.85ct 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 LG691587807 or 691587807. Listed at 11 retailers as of October 29, 2026, with prices from $174 to $1,808, a $1,634 spread on the same certified stone. MOH London lists it at $1,808. 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

0.85
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691587807
Dimensions9.81 × 4.99 × 3.10 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.81 mm4.99 mm0.85 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG691587807
Side View
Table 58.0%Crown 34.7°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 62.1%

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: Oct 30
Current: $1,808 AUD|Low: $174 AUD|High: $1,808 AUD|Avg: $532 AUD
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
October 30, 2026
Retailer 2$174 AUD
Retailer 14$202 AUD
Retailer 11$229 AUD
Retailer 15$242 AUD
Retailer 3$255 AUD
Retailer 10$313 AUD
Retailer 5$356 AUD
Retailer 16$417 AUD
Retailer 4$443 AUD
Retailer 9$446 AUD
Retailer 7$558 AUD
Retailer 12$559 AUD
Retailer 13$693 AUD
Retailer 6$911 AUD
Retailer 8$997 AUD
MOH London$1,808 AUD

3 data points across 16 retailers

11 retailers$174 AUD to $1,808 AUD

A
Cheapest Retailer
-
$174 AUD
$122 USD
A
Retailer 2
-
$202 AUD
$142 USD
View
A
Retailer 3
-
$229 AUD
$161 USD
View
A
Retailer 4
-
$255 AUD
HK$1,400 HKD
View
A
Retailer 5
-
$313 AUD
£173 GBP
View
B+
Retailer 6
-
$417 AUD
$293 USD
View
B+
Retailer 7
-
$443 AUD
£245 GBP
View
B+
Retailer 8
-
$446 AUD
£247 GBP
View
B+
Retailer 9
-
$559 AUD
$393 USD
View
B
Retailer 10
-
$693 AUD
$487 USD
View
Most Expensive
B
MOH London
LG691587807 · Oct 29
$1,808 AUD
£1,000 GBP
View
10 more retailers have this diamond
Prices start from $174 AUDSave up to $1,634 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
0.85ct Marquise
$174 AUD