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Oval|Lab Grown|IGI

1.51ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG496102629

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG496102629

Diamond specifications and retailer prices

From HK$8,151 HKD
As of November 6, 2026
Save HK$15,690 HKD (66%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$28,442 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496102629 or 496102629. Listed at 13 retailers as of November 6, 2026, with a 193% 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

1.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496102629
Dimensions9.16 × 6.45 × 4.05 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.16 mm6.45 mm1.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496102629
Side View
Table 55.0%Crown 34.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$28,442 HKD|Low: HK$8,151 HKD|High: HK$43,913 HKD|Avg: HK$21,883 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5HK$8,151 HKD
Retailer 7HK$13,081 HKD
Retailer 10HK$14,233 HKD
Retailer 8HK$15,173 HKD
Retailer 2HK$20,644 HKD
Retailer 3HK$21,294 HKD
Retailer 9HK$23,841 HKD
Retailer 6HK$26,161 HKD
NZ JewellersHK$28,442 HKD
Retailer 4HK$43,215 HKD

46 data points across 10 retailers

13 retailersHK$8,151 HKD to HK$23,841 HKD

B+
Cheapest Retailer
-
HK$8,151 HKD
B
Retailer 2
-
HK$13,081 HKD
View
B
Retailer 3
-
HK$14,233 HKD
View
B
Retailer 4
-
HK$14,648 HKD
View
Final sale: no returns
Retailer 5
-
HK$15,173 HKD
View
Price last confirmed 25 days ago
B
Retailer 6
-
HK$15,173 HKD
View
B
Retailer 7
-
HK$16,498 HKD
View
B
Retailer 8
-
HK$20,644 HKD
View
B
Retailer 9
-
HK$21,294 HKD
View
B
Retailer 10
-
HK$23,841 HKD
View
Retailer 11
-
HK$26,161 HKD
View
Price under review
Most Expensive
NZ Jewellers
5e71dafc-8239-4e00-9580-461675dac5d6 · Nov 5
HK$28,442 HKD
$3,629 USD
View
Price under review
11 more retailers have this diamond
Prices start from HK$8,151 HKDSave up to HK$15,690 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.

B+
1.51ct Oval
HK$8,151 HKD