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1.70ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG494161659

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494161659

Diamond specifications and retailer prices

From HK$7,453 HKD
$950 USD
As of October 30, 2026
Save HK$28,666 HKD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$36,120 HKD at MOH London · As of October 27, 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 LG494161659 or 494161659. Listed at 10 retailers as of October 27, 2026, with prices from HK$7,453 to HK$36,120, a HK$28,666 spread on the same certified stone. MOH London lists it at HK$36,120. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494161659
Dimensions7.58 × 7.63 × 4.72 mm
L/W Ratio1.01
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
7.58 mm7.63 mm1.70 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494161659
Side View
Table 56.5%Crown 34.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.0%

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$36,120 HKD|Low: HK$7,453 HKD|High: HK$36,498 HKD|Avg: HK$18,399 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 30, 2026
Retailer 2HK$7,453 HKD
Retailer 4HK$10,890 HKD
Retailer 7HK$11,847 HKD
Retailer 9HK$12,192 HKD
Retailer 5HK$12,632 HKD
Retailer 11HK$17,315 HKD
Retailer 6HK$19,944 HKD
Retailer 10HK$22,917 HKD
Retailer 8HK$23,670 HKD
Retailer 3HK$28,273 HKD
MOH LondonHK$36,120 HKD

14 data points across 11 retailers

10 retailersHK$7,453 HKD to HK$36,120 HKD

A
Cheapest Retailer
-
HK$7,453 HKD
$950 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
B+
Retailer 5
-
HK$12,632 HKD
$1,610 USD
View
Retailer 6
-
HK$12,632 HKD
$1,610 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
HK$19,944 HKD
$2,542 USD
View
B
Retailer 8
-
HK$22,917 HKD
$2,921 USD
View
B
Retailer 9
-
HK$23,670 HKD
$3,017 USD
View
Most Expensive
B
MOH London
LG494161659 · Oct 27
HK$36,120 HKD
£3,625 GBP
View
9 more retailers have this diamond
Prices start from HK$7,453 HKDSave up to HK$28,666 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$7,453 HKD