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Oval|Lab Grown|IGI

1.70ct J SI2 Oval Lab Grown Diamond

ID • J/SI2 • IGI LG451055477

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451055477

Diamond specifications and retailer prices

From HK$6,669 HKD
$850 USD
As of October 29, 2026
Save HK$29,321 HKD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$35,990 HKD at MOH London · As of October 27, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451055477 or 451055477. Listed at 9 retailers as of October 27, 2026, with prices from HK$6,669 to HK$35,990, a HK$29,321 spread on the same certified stone. MOH London lists it at HK$35,990. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055477
Dimensions9.29 × 6.79 × 4.34 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.29 mm6.79 mm1.70 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055477
Side View
Table 55.5%Crown 33.5°Girdle: MED-STKPavilion 42.2°Culet: NoneDepth 63.9%

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 29
Current: HK$35,990 HKD|Low: HK$6,669 HKD|High: HK$36,419 HKD|Avg: HK$18,391 HKD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 25, 2026
Retailer 4HK$6,669 HKD
Retailer 2HK$10,851 HKD
Retailer 8HK$11,800 HKD
Retailer 5HK$12,585 HKD
Retailer 11HK$13,036 HKD
Retailer 10HK$17,261 HKD
Retailer 6HK$19,873 HKD
Retailer 9HK$22,839 HKD
Retailer 7HK$23,584 HKD
Retailer 3HK$28,166 HKD
MOH LondonHK$35,990 HKD

13 data points across 11 retailers

9 retailersHK$6,669 HKD to HK$35,990 HKD

A
Cheapest Retailer
-
HK$6,669 HKD
$850 USD
B+
Retailer 2
-
HK$10,851 HKD
$1,383 USD
View
B+
Retailer 3
-
HK$11,800 HKD
$1,504 USD
View
Retailer 4
-
HK$12,585 HKD
$1,604 USD
View
Price last confirmed 18 days ago
B+
Retailer 5
-
HK$12,585 HKD
$1,604 USD
View
B
Retailer 6
-
HK$19,873 HKD
$2,533 USD
View
B
Retailer 7
-
HK$22,839 HKD
$2,911 USD
View
B
Retailer 8
-
HK$23,584 HKD
$3,006 USD
View
Most Expensive
B
MOH London
LG451055477 · Oct 27
HK$35,990 HKD
£3,612 GBP
View
8 more retailers have this diamond
Prices start from HK$6,669 HKDSave up to HK$29,321 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$6,669 HKD