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Round|Lab Grown|IGI

1.70ct K SI1 Round Lab Grown Diamond

VG • K/SI1 • IGI LG451055622

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451055622

Diamond specifications and retailer prices

From HK$8,268 HKD
As of November 5, 2026
Save HK$24,250 HKD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$32,518 HKD at MOH London · As of November 1, 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 very-good cut grade and certified by IGI LG451055622 or 451055622. Listed at 9 retailers as of November 1, 2026, with prices from HK$8,268 to HK$32,518, a HK$24,250 spread on the same certified stone. MOH London lists it at HK$32,518. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.70
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055622
Dimensions7.64 × 7.74 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.64 mm7.74 mm1.70 ctK / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG451055622
Side View
Table 63.0%Crown 31.8°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 58.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$32,518 HKD|Low: HK$8,268 HKD|High: HK$32,906 HKD|Avg: HK$18,019 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 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
Retailer 8HK$27,439 HKD
MOH LondonHK$32,518 HKD

15 data points across 8 retailers

9 retailersHK$8,268 HKD to HK$32,518 HKD

B+
Cheapest Retailer
-
HK$8,268 HKD
B+
Retailer 2
-
HK$8,997 HKD
View
Retailer 3
-
HK$9,585 HKD
View
Price last confirmed 25 days ago
B+
Retailer 4
-
HK$9,585 HKD
View
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
C
MOH London
LG451055622 · Nov 1
HK$32,518 HKD
£3,267 GBP
View
8 more retailers have this diamond
Prices start from HK$8,268 HKDSave up to HK$24,250 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.

B+
1.70ct Round
HK$8,268 HKD