Marquise|Lab Grown|IGI

0.85ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG844633176

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844633176

Diamond specifications and retailer prices

From $291 SGD
£179 GBP
As of October 26, 2026
Save $616 SGD (68%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,680 SGD at MOH London · As of October 25, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG844633176 or 844633176. Listed at 17 retailers as of October 26, 2026, with a 212% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844633176
Dimensions10.30 × 4.93 × 3.02 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.30 mm4.93 mm0.85 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844633176
Side View
Table 59.0%Crown 33.3°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 61.3%

Caratlytics Score

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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 26
Current: $1,680 SGD|Low: $162 SGD|High: $1,739 SGD|Avg: $455 SGD|-3.4%
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 26, 2026
Retailer 5$162 SGD
Retailer 16$182 SGD
Retailer 9$188 SGD
Retailer 3$201 SGD
Retailer 13$201 SGD
Retailer 15$271 SGD
Retailer 14$275 SGD
Retailer 10$291 SGD
Retailer 7$314 SGD
Retailer 2$324 SGD
Retailer 12$352 SGD
Retailer 11$468 SGD
Retailer 8$557 SGD
Retailer 6$605 SGD
Retailer 17$647 SGD
Retailer 4$683 SGD
MOH London$1,680 SGD

9 data points across 17 retailers

17 retailers$291 SGD to $908 SGD

Retailer 1
-
$162 SGD
$127 USD
Price last confirmed 9 days ago
Retailer 2
-
$188 SGD
$147 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$201 SGD
$157 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$201 SGD
$157 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$271 SGD
$212 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$275 SGD
$215 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
$291 SGD
£179 GBP
View
A
Retailer 8
-
$314 SGD
$246 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$324 SGD
£200 GBP
View
Retailer 10
-
$352 SGD
€262 EUR
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$468 SGD
£288 GBP
View
Retailer 12
-
$557 SGD
View
Price last confirmed 7 days ago
Retailer 13
-
$605 SGD
$473 USD
View
Price last confirmed 8 days ago
Retailer 14
-
$647 SGD
$506 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$683 SGD
$534 USD
View
B
Retailer 16
-
$908 SGD
$710 USD
View
Most Expensive
MOH London
LG844633176 · Oct 25
$1,680 SGD
£1,035 GBP
View
Price last confirmed 7 days ago
16 more retailers have this diamond
Prices start from $291 SGDSave up to $616 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
$291 SGD