Round|Lab Grown|IGI

1.70ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG447098249

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447098249

Diamond specifications and retailer prices

From HK$8,268 HKD
As of November 5, 2026
Save HK$11,772 HKD (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$32,697 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447098249 or 447098249. Listed at 9 retailers as of November 5, 2026, with a 142% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447098249
Dimensions7.57 × 7.62 × 4.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.57 mm7.62 mm1.70 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447098249
Side View
Table 55.5%Crown 35.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.5%

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: Nov 5
Current: HK$32,697 HKD|Low: HK$8,268 HKD|High: HK$32,906 HKD|Avg: HK$17,588 HKD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 3HK$8,268 HKD
Retailer 4HK$9,585 HKD
Retailer 2HK$10,972 HKD
Retailer 7HK$13,896 HKD
Retailer 5HK$15,291 HKD
Retailer 6HK$20,040 HKD
MOH LondonHK$32,697 HKD

13 data points across 7 retailers

9 retailersHK$8,268 HKD to HK$20,040 HKD

A
Cheapest Retailer
-
HK$8,268 HKD
A
Retailer 2
-
HK$8,997 HKD
View
A
Retailer 3
-
HK$9,585 HKD
View
Retailer 4
-
HK$9,585 HKD
View
Price last confirmed 25 days ago
B+
Retailer 5
-
HK$10,972 HKD
View
B+
Retailer 6
-
HK$15,291 HKD
View
B
Retailer 7
-
HK$17,971 HKD
View
B
Retailer 8
-
HK$20,040 HKD
View
Most Expensive
MOH London
LG447098249 · Oct 29
HK$32,697 HKD
£3,285 GBP
View
Price last confirmed 8 days ago
8 more retailers have this diamond
Prices start from HK$8,268 HKDSave up to HK$11,772 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$8,268 HKD