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 HK$1,788 HKD
£179 GBP
As of October 26, 2026
Save HK$3,783 HKD (68%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$10,313 HKD 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

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 26
Current: HK$10,313 HKD|Low: HK$996 HKD|High: HK$10,671 HKD|Avg: HK$2,789 HKD|-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 5HK$996 HKD
Retailer 16HK$1,114 HKD
Retailer 9HK$1,153 HKD
Retailer 3HK$1,232 HKD
Retailer 13HK$1,232 HKD
Retailer 15HK$1,663 HKD
Retailer 14HK$1,687 HKD
Retailer 10HK$1,788 HKD
Retailer 7HK$1,930 HKD
Retailer 2HK$1,991 HKD
Retailer 12HK$2,158 HKD
Retailer 11HK$2,872 HKD
Retailer 8HK$3,420 HKD
Retailer 6HK$3,711 HKD
Retailer 17HK$3,970 HKD
Retailer 4HK$4,190 HKD
MOH LondonHK$10,313 HKD

9 data points across 17 retailers

17 retailersHK$1,788 HKD to HK$5,570 HKD

Retailer 1
-
HK$996 HKD
$127 USD
Price last confirmed 9 days ago
Retailer 2
-
HK$1,153 HKD
$147 USD
View
Price last confirmed 8 days ago
Retailer 3
-
HK$1,232 HKD
$157 USD
View
Price last confirmed 7 days ago
Retailer 4
-
HK$1,232 HKD
$157 USD
View
Price last confirmed 7 days ago
Retailer 5
-
HK$1,663 HKD
$212 USD
View
Price last confirmed 7 days ago
Retailer 6
-
HK$1,687 HKD
$215 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
HK$1,788 HKD
£179 GBP
View
A
Retailer 8
-
HK$1,930 HKD
$246 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
HK$1,991 HKD
£200 GBP
View
Retailer 10
-
HK$2,158 HKD
€262 EUR
View
Price last confirmed 7 days ago
B+
Retailer 11
-
HK$2,872 HKD
£288 GBP
View
Retailer 12
-
HK$3,420 HKD
SGD 589 SGD
View
Price last confirmed 7 days ago
Retailer 13
-
HK$3,711 HKD
$473 USD
View
Price last confirmed 8 days ago
Retailer 14
-
HK$3,970 HKD
$506 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
HK$4,190 HKD
$534 USD
View
B
Retailer 16
-
HK$5,570 HKD
$710 USD
View
Most Expensive
MOH London
LG844633176 · Oct 25
HK$10,313 HKD
£1,035 GBP
View
Price last confirmed 7 days ago
16 more retailers have this diamond
Prices start from HK$1,788 HKDSave up to HK$3,783 HKD

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
HK$1,788 HKD