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Oval|Lab Grown|IGI

1.73ct K SI2 Oval Lab Grown Diamond

ID • K/SI2 • IGI LG451056887

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451056887

Diamond specifications and retailer prices

From HK$15,361 HKD
As of November 5, 2026
Save HK$35,402 HKD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$50,763 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.73ct lab-grown oval diamond

This 1.73ct 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 LG451056887 or 451056887. Listed at 8 retailers as of November 5, 2026, with prices from HK$15,361 to HK$50,763, a HK$35,402 spread on the same certified stone. MOH London lists it at HK$50,763. 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

1.73
Carat
K
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056887
Dimensions9.21 × 6.80 × 4.31 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.21 mm6.80 mm1.73 ctK / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056887
Side View
Table 57.0%Crown 36.9°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 63.4%

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 5
Current: HK$50,763 HKD|Low: HK$14,750 HKD|High: HK$51,579 HKD|Avg: HK$27,512 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$15,361 HKD
Retailer 7HK$16,717 HKD
Retailer 4HK$17,822 HKD
Retailer 8HK$22,791 HKD
Retailer 6HK$24,492 HKD
Retailer 5HK$27,893 HKD
Retailer 2HK$29,265 HKD
Retailer 9HK$39,885 HKD
MOH LondonHK$50,763 HKD

14 data points across 9 retailers

8 retailersHK$15,361 HKD to HK$50,763 HKD

B+
Cheapest Retailer
-
HK$15,361 HKD
B+
Retailer 2
-
HK$16,717 HKD
View
Retailer 3
-
HK$17,822 HKD
View
Price last confirmed 26 days ago
B
Retailer 4
-
HK$17,822 HKD
View
B
Retailer 5
-
HK$24,492 HKD
View
B
Retailer 6
-
HK$27,893 HKD
View
B
Retailer 7
-
HK$29,265 HKD
View
Most Expensive
B
MOH London
LG451056887 · Nov 5
HK$50,763 HKD
£5,100 GBP
View
7 more retailers have this diamond
Prices start from HK$15,361 HKDSave up to HK$35,402 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+
1.73ct Oval
HK$15,361 HKD