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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 $156 SGD
$122 USD
As of October 30, 2026
Save $1,468 SGD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,624 SGD 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 12 retailers as of October 29, 2026, with prices from $156 to $1,624, a $1,468 spread on the same certified stone. MOH London lists it at $1,624. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,624 SGD|Low: $156 SGD|High: $1,624 SGD|Avg: $482 SGD
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
Retailer 17
October 31, 2026
Retailer 10$156 SGD
Retailer 16$182 SGD
Retailer 13$206 SGD
Retailer 17$217 SGD
Retailer 4$229 SGD
Retailer 12$281 SGD
Retailer 6$319 SGD
Retailer 3$375 SGD
Retailer 5$398 SGD
Retailer 11$400 SGD
Retailer 8$501 SGD
Retailer 14$502 SGD
Retailer 15$623 SGD
Retailer 2$693 SGD
Retailer 7$818 SGD
Retailer 9$895 SGD
MOH London$1,624 SGD

4 data points across 17 retailers

12 retailers$156 SGD to $1,624 SGD

A
Cheapest Retailer
-
$156 SGD
$122 USD
A
Retailer 2
-
$182 SGD
$142 USD
View
A
Retailer 3
-
$206 SGD
$161 USD
View
A
Retailer 4
-
$229 SGD
HK$1,400 HKD
View
A
Retailer 5
-
$281 SGD
£173 GBP
View
B+
Retailer 6
-
$375 SGD
$293 USD
View
B+
Retailer 7
-
$398 SGD
£245 GBP
View
B+
Retailer 8
-
$400 SGD
£247 GBP
View
B+
Retailer 9
-
$502 SGD
$393 USD
View
B
Retailer 10
-
$623 SGD
$487 USD
View
Retailer 11
-
$693 SGD
$542 USD
View
Most Expensive
B
MOH London
LG691587807 · Oct 29
$1,624 SGD
£1,000 GBP
View
11 more retailers have this diamond
Prices start from $156 SGDSave up to $1,468 SGD

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
$156 SGD