CaratHunter
Plans
Oval|Lab Grown|IGI

0.51ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • IGI LG407936479

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG407936479

Diamond specifications and retailer prices

From HK$2,275 HKD
$290 USD
As of November 2, 2026
Save HK$10,828 HKD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$13,103 HKD at MOH London · As of November 1, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407936479 or 407936479. Listed at 12 retailers as of November 1, 2026, with prices from HK$2,275 to HK$13,103, a HK$10,828 spread on the same certified stone. MOH London lists it at HK$13,103. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle36.2°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407936479
Dimensions6.09 × 4.53 × 2.84 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by high pressure high temperature process (HPHT) Type II
Top View
6.09 mm4.53 mm0.51 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG407936479
Side View
Table 61.5%Crown 36.2°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.7%

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 2
Current: HK$13,103 HKD|Low: HK$2,275 HKD|High: HK$13,263 HKD|Avg: HK$5,980 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 4HK$2,275 HKD
Retailer 7HK$2,636 HKD
Retailer 10HK$2,942 HKD
Retailer 8HK$3,272 HKD
Retailer 11HK$3,272 HKD
Retailer 9HK$5,280 HKD
Retailer 2HK$5,812 HKD
Retailer 5HK$5,890 HKD
Retailer 6HK$9,588 HKD
Retailer 3HK$11,946 HKD
MOH LondonHK$13,103 HKD

42 data points across 11 retailers

12 retailersHK$2,275 HKD to HK$13,103 HKD

A
Cheapest Retailer
-
HK$2,275 HKD
$290 USD
B+
Retailer 2
-
HK$2,636 HKD
$336 USD
View
B+
Retailer 3
-
HK$2,942 HKD
$375 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$3,060 HKD
$390 USD
View
B+
Retailer 5
-
HK$3,272 HKD
$417 USD
View
Retailer 6
-
HK$3,272 HKD
$417 USD
View
Price last confirmed 8 days ago
B
Retailer 7
-
HK$5,280 HKD
$673 USD
View
B
Retailer 8
-
HK$5,812 HKD
£583 GBP
View
B
Retailer 9
-
HK$9,588 HKD
$1,222 USD
View
B
Retailer 10
-
HK$10,514 HKD
$1,340 USD
View
B
Retailer 11
-
HK$11,946 HKD
$1,523 USD
View
Most Expensive
B
MOH London
LG407936479 · Nov 1
HK$13,103 HKD
£1,315 GBP
View
11 more retailers have this diamond
Prices start from HK$2,275 HKDSave up to HK$10,828 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$2,275 HKD