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1.70ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG492136543

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492136543

Diamond specifications and retailer prices

From HK$7,375 HKD
$940 USD
As of October 30, 2026
Save HK$28,884 HKD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$36,259 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492136543 or 492136543. Listed at 11 retailers as of October 29, 2026, with prices from HK$7,375 to HK$36,259, a HK$28,884 spread on the same certified stone. MOH London lists it at HK$36,259. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492136543
Dimensions7.59 × 7.62 × 4.69 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.59 mm7.62 mm1.70 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492136543
Side View
Table 57.0%Crown 35.8°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.7%

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$36,259 HKD|Low: HK$7,375 HKD|High: HK$36,498 HKD|Avg: HK$17,922 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
October 30, 2026
Retailer 2HK$7,375 HKD
Retailer 7HK$10,890 HKD
Retailer 10HK$11,847 HKD
Retailer 12HK$12,192 HKD
Retailer 8HK$12,632 HKD
Retailer 13HK$12,632 HKD
Retailer 6HK$15,826 HKD
Retailer 4HK$17,315 HKD
Retailer 9HK$19,944 HKD
Retailer 3HK$22,917 HKD
Retailer 11HK$23,670 HKD
Retailer 5HK$28,273 HKD
MOH LondonHK$36,259 HKD

35 data points across 13 retailers

11 retailersHK$7,375 HKD to HK$36,259 HKD

A
Cheapest Retailer
-
HK$7,375 HKD
$940 USD
B+
Retailer 2
-
HK$10,890 HKD
$1,388 USD
View
B+
Retailer 3
-
HK$11,847 HKD
$1,510 USD
View
B+
Retailer 4
-
HK$12,192 HKD
$1,554 USD
View
Final sale: no returns
Retailer 5
-
HK$12,632 HKD
$1,610 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
HK$12,632 HKD
$1,610 USD
View
B+
Retailer 7
-
HK$15,826 HKD
£1,588 GBP
View
B
Retailer 8
-
HK$19,944 HKD
$2,542 USD
View
B
Retailer 9
-
HK$22,917 HKD
$2,921 USD
View
B
Retailer 10
-
HK$23,670 HKD
$3,017 USD
View
Most Expensive
B
MOH London
LG492136543 · Oct 29
HK$36,259 HKD
£3,639 GBP
View
10 more retailers have this diamond
Prices start from HK$7,375 HKDSave up to HK$28,884 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$7,375 HKD