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Marquise|Lab Grown|IGI

0.99ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG786683727

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786683727

Diamond specifications and retailer prices

From HK$1,506 HKD
As of November 1, 2026
Save HK$2,966 HKD (66%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$6,318 HKD at MOH London · As of October 25, 2026
View at MOH London

About this 0.99ct lab-grown marquise diamond

This 0.99ct lab-grown marquise sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG786683727 or 786683727. Listed at 17 retailers as of November 1, 2026, with a 197% 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

0.99
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.9°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786683727
Dimensions10.56 × 5.23 × 3.12 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.56 mm5.23 mm0.99 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG786683727
Side View
Table 59.0%Crown 33.9°Girdle: THN-MEDPavilion 38.9°Culet: NoneDepth 59.7%

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 1
Current: HK$6,318 HKD|Low: HK$1,044 HKD|High: HK$6,591 HKD|Avg: HK$3,070 HKD|-0.9%
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
November 1, 2026
Retailer 6HK$1,091 HKD
Retailer 5HK$1,263 HKD
Retailer 17HK$1,350 HKD
Retailer 7HK$1,506 HKD
Retailer 14HK$1,785 HKD
Retailer 15HK$2,287 HKD
Retailer 4HK$2,323 HKD
Retailer 2HK$2,417 HKD
Retailer 8HK$2,526 HKD
Retailer 16HK$2,897 HKD
Retailer 9HK$3,272 HKD
Retailer 10HK$3,366 HKD
Retailer 12HK$3,687 HKD
Retailer 13HK$3,688 HKD
Retailer 3HK$4,339 HKD
Retailer 11HK$4,472 HKD
MOH LondonHK$6,318 HKD

43 data points across 17 retailers

17 retailersHK$1,506 HKD to HK$4,472 HKD

Retailer 1
-
HK$1,091 HKD
$139 USD
Price last confirmed 10 days ago
Retailer 2
-
HK$1,263 HKD
$161 USD
View
Price last confirmed 8 days ago
Retailer 3
-
HK$1,350 HKD
$172 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
HK$1,506 HKD
View
A
Retailer 5
-
HK$1,785 HKD
£179 GBP
View
A
Retailer 6
-
HK$2,287 HKD
£230 GBP
View
Retailer 7
-
HK$2,323 HKD
€282 EUR
View
Price last confirmed 8 days ago
A
Retailer 8
-
HK$2,417 HKD
$308 USD
View
Retailer 9
-
HK$2,526 HKD
$322 USD
View
Price last confirmed 8 days ago
Retailer 10
-
HK$2,897 HKD
£291 GBP
View
Price last confirmed 7 days ago
Retailer 11
-
HK$3,272 HKD
$417 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
HK$3,366 HKD
$429 USD
View
B+
Retailer 13
-
HK$3,687 HKD
SGD 635 SGD
View
B+
Retailer 14
-
HK$3,688 HKD
$470 USD
View
Retailer 15
-
HK$4,339 HKD
$553 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
HK$4,472 HKD
$570 USD
View
Most Expensive
MOH London
LG786683727 · Oct 25
HK$6,318 HKD
£634 GBP
View
Price last confirmed 8 days ago
16 more retailers have this diamond
Prices start from HK$1,506 HKDSave up to HK$2,966 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
0.99ct Marquise
HK$1,506 HKD