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Oval|Lab Grown|IGI

1.70ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG451055761

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451055761

Diamond specifications and retailer prices

From HK$7,375 HKD
$940 USD
As of October 30, 2026
Save HK$35,191 HKD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$42,566 HKD at MOH London · As of October 29, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451055761 or 451055761. Listed at 12 retailers as of October 29, 2026, with prices from HK$7,375 to HK$42,566, a HK$35,191 spread on the same certified stone. MOH London lists it at HK$42,566. 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
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055761
Dimensions9.28 × 6.97 × 4.18 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.28 mm6.97 mm1.70 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG451055761
Side View
Table 60.0%Crown 35.8°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 60.0%

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: Oct 30
Current: HK$42,566 HKD|Low: HK$7,375 HKD|High: HK$42,905 HKD|Avg: HK$21,261 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
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 2HK$7,375 HKD
Retailer 9HK$12,781 HKD
Retailer 13HK$13,903 HKD
Retailer 14HK$14,311 HKD
Retailer 3HK$14,828 HKD
Retailer 10HK$14,828 HKD
Retailer 4HK$16,162 HKD
Retailer 5HK$19,928 HKD
Retailer 7HK$20,348 HKD
Retailer 11HK$23,310 HKD
Retailer 8HK$25,561 HKD
Retailer 12HK$27,789 HKD
Retailer 6HK$42,447 HKD
MOH LondonHK$42,566 HKD

37 data points across 14 retailers

12 retailersHK$7,375 HKD to HK$42,566 HKD

A
Cheapest Retailer
-
HK$7,375 HKD
$940 USD
B+
Retailer 2
-
HK$12,781 HKD
$1,629 USD
View
B+
Retailer 3
-
HK$13,903 HKD
$1,772 USD
View
B+
Retailer 4
-
HK$14,311 HKD
$1,824 USD
View
Final sale: no returns
Retailer 5
-
HK$14,828 HKD
$1,890 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
HK$14,828 HKD
$1,890 USD
View
B+
Retailer 7
-
HK$16,162 HKD
$2,060 USD
View
B
Retailer 8
-
HK$20,348 HKD
£2,042 GBP
View
B
Retailer 9
-
HK$23,310 HKD
$2,971 USD
View
B
Retailer 10
-
HK$25,561 HKD
$3,258 USD
View
B
Retailer 11
-
HK$27,789 HKD
$3,542 USD
View
Most Expensive
B
MOH London
LG451055761 · Oct 29
HK$42,566 HKD
£4,272 GBP
View
11 more retailers have this diamond
Prices start from HK$7,375 HKDSave up to HK$35,191 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
1.70ct Oval
HK$7,375 HKD