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Oval|Lab Grown|IGI

0.51ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG445037644

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037644

Diamond specifications and retailer prices

From HK$1,914 HKD
$244 USD
As of October 29, 2026
Save HK$7,631 HKD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$9,546 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown oval diamond

This 0.51ct lab-grown oval sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037644 or 445037644. Listed at 10 retailers as of October 29, 2026, with prices from HK$1,914 to HK$9,546, a HK$7,631 spread on the same certified stone. MOH London lists it at HK$9,546. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037644
Dimensions6.45 × 4.45 × 2.75 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.45 mm4.45 mm0.51 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445037644
Side View
Table 56.0%Crown 31.9°Girdle: STK-THKPavilion 41.1°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: Oct 29
Current: HK$9,546 HKD|Low: HK$1,836 HKD|High: HK$9,615 HKD|Avg: HK$4,268 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
October 30, 2026
Retailer 6HK$1,914 HKD
Retailer 9HK$2,134 HKD
Retailer 7HK$2,369 HKD
Retailer 10HK$2,369 HKD
Retailer 2HK$2,511 HKD
Retailer 8HK$3,986 HKD
Retailer 4HK$4,481 HKD
Retailer 11HK$4,707 HKD
Retailer 3HK$4,967 HKD
Retailer 5HK$7,642 HKD
MOH LondonHK$9,546 HKD

18 data points across 11 retailers

10 retailersHK$1,914 HKD to HK$9,546 HKD

A
Cheapest Retailer
-
HK$1,914 HKD
$244 USD
A
Retailer 2
-
HK$2,134 HKD
$272 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,220 HKD
$283 USD
View
B+
Retailer 4
-
HK$2,369 HKD
$302 USD
View
B+
Retailer 5
-
HK$2,369 HKD
$302 USD
View
A
Retailer 6
-
HK$2,511 HKD
$320 USD
View
B+
Retailer 7
-
HK$3,986 HKD
$508 USD
View
B
Retailer 8
-
HK$7,618 HKD
$971 USD
View
B
Retailer 9
-
HK$7,642 HKD
$974 USD
View
Most Expensive
B
MOH London
LG445037644 · Oct 29
HK$9,546 HKD
£958 GBP
View
9 more retailers have this diamond
Prices start from HK$1,914 HKDSave up to HK$7,631 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 Oval
HK$1,914 HKD