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1.70ct J SI2 Round Lab Grown Diamond

ID • J/SI2 • IGI LG425065396

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425065396

Diamond specifications and retailer prices

From HK$7,532 HKD
$960 USD
As of October 30, 2026
Save HK$27,282 HKD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$34,814 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct lab-grown round diamond

This 1.7ct lab-grown round 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 LG425065396 or 425065396. Listed at 10 retailers as of October 29, 2026, with prices from HK$7,532 to HK$34,814, a HK$27,282 spread on the same certified stone. MOH London lists it at HK$34,814. 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 angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425065396
Dimensions7.65 × 7.62 × 4.76 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.65 mm7.62 mm1.70 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425065396
Side View
Table 56.0%Crown 35.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.4%

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$34,814 HKD|Low: HK$7,532 HKD|High: HK$35,093 HKD|Avg: HK$16,970 HKD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2HK$7,532 HKD
Retailer 4HK$10,105 HKD
Retailer 5HK$10,403 HKD
Retailer 8HK$11,661 HKD
Retailer 7HK$15,338 HKD
Retailer 3HK$17,096 HKD
Retailer 6HK$21,238 HKD
Retailer 9HK$24,101 HKD
MOH LondonHK$34,814 HKD

13 data points across 9 retailers

10 retailersHK$7,532 HKD to HK$34,814 HKD

A
Cheapest Retailer
-
HK$7,532 HKD
$960 USD
B+
Retailer 2
-
HK$9,289 HKD
$1,184 USD
View
A
Retailer 3
-
HK$10,105 HKD
$1,288 USD
View
B+
Retailer 4
-
HK$10,403 HKD
$1,326 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$10,780 HKD
$1,374 USD
View
Retailer 6
-
HK$10,780 HKD
$1,374 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
HK$17,096 HKD
$2,179 USD
View
B
Retailer 8
-
HK$20,203 HKD
$2,575 USD
View
B
Retailer 9
-
HK$21,238 HKD
$2,707 USD
View
Most Expensive
B
MOH London
LG425065396 · Oct 29
HK$34,814 HKD
£3,494 GBP
View
9 more retailers have this diamond
Prices start from HK$7,532 HKDSave up to HK$27,282 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 Round
HK$7,532 HKD