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Marquise|Lab Grown|IGI

0.51ct H SI2 Marquise Lab Grown Diamond

ID • H/SI2 • IGI LG436045436

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436045436

Diamond specifications and retailer prices

From HK$2,032 HKD
$259 USD
As of November 2, 2026
Save HK$8,081 HKD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$10,113 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 0.51ct lab-grown marquise diamond

This 0.51ct lab-grown marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045436 or 436045436. Listed at 11 retailers as of October 26, 2026, with prices from HK$2,032 to HK$10,113, a HK$8,081 spread on the same certified stone. MOH London lists it at HK$10,113. 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

0.51
Carat
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045436
Dimensions7.66 × 4.26 × 2.65 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.66 mm4.26 mm0.51 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045436
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.2%

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$10,113 HKD|Low: HK$1,954 HKD|High: HK$10,223 HKD|Avg: HK$4,550 HKD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7HK$2,032 HKD
Retailer 3HK$2,275 HKD
Retailer 11HK$2,354 HKD
Retailer 2HK$2,511 HKD
Retailer 8HK$2,518 HKD
Retailer 12HK$2,518 HKD
Retailer 10HK$4,197 HKD
Retailer 5HK$4,737 HKD
Retailer 4HK$5,241 HKD
Retailer 6HK$7,744 HKD
Retailer 9HK$8,097 HKD
MOH LondonHK$10,113 HKD

23 data points across 12 retailers

11 retailersHK$2,032 HKD to HK$10,113 HKD

A
Cheapest Retailer
-
HK$2,032 HKD
$259 USD
A
Retailer 2
-
HK$2,275 HKD
$290 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,354 HKD
$300 USD
View
A
Retailer 4
-
HK$2,511 HKD
$320 USD
View
Retailer 5
-
HK$2,518 HKD
$321 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$2,518 HKD
$321 USD
View
B
Retailer 7
-
HK$4,197 HKD
$535 USD
View
Retailer 8
-
HK$4,737 HKD
€575 EUR
View
Price last confirmed 7 days ago
B
Retailer 9
-
HK$7,744 HKD
$987 USD
View
B
Retailer 10
-
HK$8,097 HKD
$1,032 USD
View
Most Expensive
B
MOH London
LG436045436 · Oct 26
HK$10,113 HKD
£1,015 GBP
View
10 more retailers have this diamond
Prices start from HK$2,032 HKDSave up to HK$8,081 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
0.51ct Marquise
HK$2,032 HKD