CaratHunter
Plans
Marquise|Lab Grown|IGI

0.91ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG783655428

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG783655428

Diamond specifications and retailer prices

From HK$989 HKD
$126 USD
As of November 2, 2026
Save HK$9,215 HKD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$10,203 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 0.91ct lab-grown marquise diamond

This 0.91ct 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 LG783655428 or 783655428. Listed at 17 retailers as of November 1, 2026, with prices from HK$989 to HK$10,203, a HK$9,215 spread on the same certified stone. MOH London lists it at HK$10,203. 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

0.91
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783655428
Dimensions9.62 × 5.08 × 3.14 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.62 mm5.08 mm0.91 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG783655428
Side View
Table 61.0%Crown 37.1°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 61.8%

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: Nov 2
Current: HK$10,203 HKD|Low: HK$989 HKD|High: HK$10,781 HKD|Avg: HK$3,046 HKD|-4.2%
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
November 2, 2026
Retailer 13HK$989 HKD
Retailer 5HK$1,098 HKD
Retailer 7HK$1,145 HKD
Retailer 3HK$1,302 HKD
Retailer 6HK$1,302 HKD
Retailer 4HK$1,663 HKD
Retailer 2HK$2,032 HKD
Retailer 12HK$2,032 HKD
Retailer 11HK$2,216 HKD
Retailer 10HK$2,515 HKD
Retailer 15HK$3,719 HKD
Retailer 14HK$3,931 HKD
Retailer 16HK$4,150 HKD
Retailer 8HK$4,372 HKD
Retailer 9HK$4,707 HKD
MOH LondonHK$10,203 HKD

43 data points across 16 retailers

17 retailersHK$989 HKD to HK$10,203 HKD

A
Cheapest Retailer
-
HK$989 HKD
$126 USD
A
Retailer 2
-
HK$1,098 HKD
$140 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,145 HKD
$146 USD
View
Retailer 4
-
HK$1,302 HKD
$166 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$1,302 HKD
$166 USD
View
B+
Retailer 6
-
HK$1,663 HKD
$212 USD
View
A
Retailer 7
-
HK$2,032 HKD
£204 GBP
View
A
Retailer 8
-
HK$2,032 HKD
$259 USD
View
A
Retailer 9
-
HK$2,216 HKD
€269 EUR
View
B+
Retailer 10
-
HK$2,515 HKD
£252 GBP
View
B+
Retailer 11
-
HK$3,719 HKD
$474 USD
View
Retailer 12
-
HK$3,775 HKD
$481 USD
View
Price last confirmed 77 days ago
B
Retailer 13
-
HK$3,931 HKD
$501 USD
View
B
Retailer 14
-
HK$4,150 HKD
$529 USD
View
B
Retailer 15
-
HK$4,372 HKD
$557 USD
View
B
Retailer 16
-
HK$4,707 HKD
$600 USD
View
Most Expensive
B
MOH London
LG783655428 · Nov 1
HK$10,203 HKD
£1,024 GBP
View
16 more retailers have this diamond
Prices start from HK$989 HKDSave up to HK$9,215 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
0.91ct Marquise
HK$989 HKD