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Marquise|Lab Grown|IGI

1.05ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG836626536

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836626536

Diamond specifications and retailer prices

From HK$1,599 HKD
As of November 6, 2026
Save HK$2,304 HKD (59%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$6,639 HKD at MOH London · As of October 21, 2026
View at MOH London

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG836626536 or 836626536. Listed at 14 retailers as of November 2, 2026, with a 144% 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

1.05
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836626536
Dimensions10.86 × 5.46 × 3.21 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.86 mm5.46 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG836626536
Side View
Table 67.0%Crown 32.7°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 58.8%

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 6
Current: HK$6,639 HKD|Low: HK$1,270 HKD|High: HK$6,758 HKD|Avg: HK$3,175 HKD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 12HK$1,270 HKD
Retailer 8HK$1,599 HKD
Retailer 5HK$1,693 HKD
Retailer 9HK$2,406 HKD
Retailer 6HK$2,422 HKD
Retailer 11HK$2,610 HKD
Retailer 4HK$2,743 HKD
Retailer 7HK$3,033 HKD
Retailer 2HK$3,660 HKD
Retailer 3HK$3,903 HKD
Retailer 10HK$4,389 HKD
MOH LondonHK$6,639 HKD

35 data points across 12 retailers

14 retailersHK$1,599 HKD to HK$3,903 HKD

Retailer 1
-
HK$1,136 HKD
Price last confirmed 20 days ago
Retailer 2
-
HK$1,325 HKD
View
Price last confirmed 22 days ago
Retailer 3
-
HK$1,411 HKD
View
Price last confirmed 38 days ago
A
Retailer 4
-
HK$1,599 HKD
View
Retailer 5
-
HK$2,406 HKD
View
Price last confirmed 10 days ago
Retailer 6
-
HK$2,422 HKD
View
Price last confirmed 10 days ago
Retailer 7
-
HK$2,610 HKD
View
Price last confirmed 12 days ago
Retailer 8
-
HK$2,743 HKD
View
Price last confirmed 12 days ago
Retailer 9
-
HK$3,033 HKD
View
Price last confirmed 11 days ago
B
Retailer 10
-
HK$3,660 HKD
View
B+
Retailer 11
-
HK$3,903 HKD
View
Retailer 12
-
HK$4,389 HKD
View
Price last confirmed 9 days ago
Retailer 13
-
HK$4,538 HKD
View
Price last confirmed 21 days ago
Most Expensive
MOH London
LG836626536 · Oct 21
HK$6,639 HKD
£667 GBP
View
Price last confirmed 16 days ago
13 more retailers have this diamond
Prices start from HK$1,599 HKDSave up to HK$2,304 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
1.05ct Marquise
HK$1,599 HKD