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Oval|Lab Grown|IGI

1.51ct K SI1 Oval Lab Grown Diamond

ID • K/SI1 • IGI LG436044497

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436044497

Diamond specifications and retailer prices

From HK$7,187 HKD
As of November 5, 2026
Save HK$16,247 HKD (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$28,417 HKD at MOH London · As of October 29, 2026
View at MOH London

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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436044497 or 436044497. Listed at 10 retailers as of November 5, 2026, with a 226% 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
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.4°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436044497
Dimensions8.65 × 6.52 × 4.16 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.65 mm6.52 mm1.51 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436044497
Side View
Table 55.0%Crown 35.4°Girdle: UNDPavilion 41.3°Culet: NoneDepth 63.8%

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: Nov 5
Current: HK$28,417 HKD|Low: HK$6,897 HKD|High: HK$28,606 HKD|Avg: HK$15,116 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
November 6, 2026
Retailer 6HK$7,187 HKD
Retailer 10HK$7,822 HKD
Retailer 7HK$8,339 HKD
Retailer 4HK$9,718 HKD
Retailer 2HK$11,584 HKD
Retailer 11HK$12,320 HKD
Retailer 8HK$13,355 HKD
Retailer 5HK$18,543 HKD
Retailer 9HK$23,434 HKD
Retailer 3HK$23,865 HKD
MOH LondonHK$28,417 HKD

29 data points across 11 retailers

10 retailersHK$7,187 HKD to HK$23,434 HKD

A
Cheapest Retailer
-
HK$7,187 HKD
A
Retailer 2
-
HK$7,822 HKD
View
Retailer 3
-
HK$8,339 HKD
View
Price last confirmed 25 days ago
B+
Retailer 4
-
HK$8,339 HKD
View
B+
Retailer 5
-
HK$9,718 HKD
View
B+
Retailer 6
-
HK$11,584 HKD
View
B+
Retailer 7
-
HK$13,355 HKD
View
B
Retailer 8
-
HK$18,543 HKD
View
B
Retailer 9
-
HK$23,434 HKD
View
Most Expensive
MOH London
LG436044497 · Oct 29
HK$28,417 HKD
£2,855 GBP
View
Price last confirmed 8 days ago
9 more retailers have this diamond
Prices start from HK$7,187 HKDSave up to HK$16,247 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
1.51ct Oval
HK$7,187 HKD