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Oval|Lab Grown|IGI

1.80ct K SI2 Oval Lab Grown Diamond

ID • K/SI2 • IGI LG451057753

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057753

Diamond specifications and retailer prices

From HK$15,973 HKD
As of November 5, 2026
Save HK$36,811 HKD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$52,783 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.8ct lab-grown oval diamond

This 1.8ct lab-grown oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057753 or 451057753. Listed at 8 retailers as of November 5, 2026, with prices from HK$15,973 to HK$52,783, a HK$36,811 spread on the same certified stone. MOH London lists it at HK$52,783. 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

1.80
Carat
K
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057753
Dimensions9.27 × 6.97 × 4.38 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.27 mm6.97 mm1.80 ctK / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057753
Side View
Table 59.5%Crown 36.4°Girdle: STK-THKPavilion 41.2°Culet: NoneDepth 62.8%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: HK$52,783 HKD|Low: HK$15,338 HKD|High: HK$53,629 HKD|Avg: HK$28,505 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3HK$15,973 HKD
Retailer 7HK$17,383 HKD
Retailer 4HK$18,528 HKD
Retailer 8HK$23,630 HKD
Retailer 6HK$25,472 HKD
Retailer 5HK$28,991 HKD
Retailer 2HK$29,719 HKD
Retailer 9HK$41,476 HKD
MOH LondonHK$52,783 HKD

15 data points across 9 retailers

8 retailersHK$15,973 HKD to HK$52,783 HKD

B+
Cheapest Retailer
-
HK$15,973 HKD
B+
Retailer 2
-
HK$17,383 HKD
View
B
Retailer 3
-
HK$18,528 HKD
View
Retailer 4
-
HK$18,528 HKD
View
Price last confirmed 26 days ago
B
Retailer 5
-
HK$25,472 HKD
View
B
Retailer 6
-
HK$28,991 HKD
View
B
Retailer 7
-
HK$29,719 HKD
View
Most Expensive
B
MOH London
LG451057753 · Nov 5
HK$52,783 HKD
£5,303 GBP
View
7 more retailers have this diamond
Prices start from HK$15,973 HKDSave up to HK$36,811 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+
1.80ct Oval
HK$15,973 HKD