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Marquise|Lab Grown|IGI

0.51ct H SI1 Marquise Lab Grown Diamond

VG • H/SI1 • IGI LG436072213

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436072213

Diamond specifications and retailer prices

From HK$2,393 HKD
$305 USD
As of November 2, 2026
Save HK$9,564 HKD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$11,957 HKD at MOH London · As of October 29, 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG436072213 or 436072213. Listed at 10 retailers as of October 29, 2026, with prices from HK$2,393 to HK$11,957, a HK$9,564 spread on the same certified stone. MOH London lists it at HK$11,957. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436072213
Dimensions8.40 × 4.28 × 2.55 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Top View
8.40 mm4.28 mm0.51 ctH / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436072213
Side View
Table 63.0%Crown 31.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.6%

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$11,957 HKD|Low: HK$2,299 HKD|High: HK$12,037 HKD|Avg: HK$5,426 HKD|+0.5%
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$2,393 HKD
Retailer 2HK$2,668 HKD
Retailer 11HK$2,778 HKD
Retailer 8HK$2,966 HKD
Retailer 12HK$2,966 HKD
Retailer 3HK$4,198 HKD
Retailer 10HK$4,841 HKD
Retailer 5HK$5,429 HKD
Retailer 4HK$5,837 HKD
Retailer 6HK$9,125 HKD
Retailer 9HK$9,541 HKD
MOH LondonHK$11,957 HKD

22 data points across 12 retailers

10 retailersHK$2,393 HKD to HK$11,957 HKD

A
Cheapest Retailer
-
HK$2,393 HKD
$305 USD
B+
Retailer 2
-
HK$2,668 HKD
$340 USD
View
B+
Retailer 3
-
HK$2,778 HKD
$354 USD
View
Retailer 4
-
HK$2,966 HKD
$378 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$2,966 HKD
$378 USD
View
B
Retailer 6
-
HK$4,841 HKD
$617 USD
View
Retailer 7
-
HK$5,429 HKD
€659 EUR
View
Price last confirmed 8 days ago
B
Retailer 8
-
HK$9,125 HKD
$1,163 USD
View
B
Retailer 9
-
HK$9,541 HKD
$1,216 USD
View
Most Expensive
B
MOH London
LG436072213 · Oct 29
HK$11,957 HKD
£1,200 GBP
View
9 more retailers have this diamond
Prices start from HK$2,393 HKDSave up to HK$9,564 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$2,393 HKD