CaratHunter
Plans
Oval|Lab Grown|IGI

1.70ct K SI2 Oval Lab Grown Diamond

ID • K/SI2 • IGI LG451057928

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057928

Diamond specifications and retailer prices

From HK$15,103 HKD
As of November 5, 2026
Save HK$34,784 HKD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$49,887 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.7ct lab-grown oval diamond

This 1.7ct 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 LG451057928 or 451057928. Listed at 8 retailers as of November 5, 2026, with prices from HK$15,103 to HK$49,887, a HK$34,784 spread on the same certified stone. MOH London lists it at HK$49,887. 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

1.70
Carat
K
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057928
Dimensions9.58 × 6.81 × 4.04 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
9.58 mm6.81 mm1.70 ctK / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057928
Side View
Table 62.0%Crown 33.8°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 59.3%

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$49,887 HKD|Low: HK$15,103 HKD|High: HK$50,693 HKD|Avg: HK$31,666 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 3HK$15,103 HKD
Retailer 5HK$22,431 HKD
Retailer 4HK$27,423 HKD
Retailer 2HK$28,763 HKD
Retailer 6HK$39,203 HKD
MOH LondonHK$49,887 HKD

13 data points across 6 retailers

8 retailersHK$15,103 HKD to HK$49,887 HKD

B+
Cheapest Retailer
-
HK$15,103 HKD
B+
Retailer 2
-
HK$16,427 HKD
View
B
Retailer 3
-
HK$17,517 HKD
View
Retailer 4
-
HK$17,517 HKD
View
Price last confirmed 26 days ago
B
Retailer 5
-
HK$27,423 HKD
View
B
Retailer 6
-
HK$28,763 HKD
View
B
Retailer 7
-
HK$32,831 HKD
View
Most Expensive
B
MOH London
LG451057928 · Nov 5
HK$49,887 HKD
£5,012 GBP
View
7 more retailers have this diamond
Prices start from HK$15,103 HKDSave up to HK$34,784 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+
1.70ct Oval
HK$15,103 HKD