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Round|Lab Grown|IGI

1.64ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG444017149

Shape and cutting style on the report: Round brilliant

Certificate IGI LG444017149

Diamond specifications and retailer prices

From HK$2,770 HKD
$353 USD
As of November 1, 2026
Save HK$21,866 HKD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$24,635 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.64ct lab-grown round diamond

This 1.64ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG444017149 or 444017149. Listed at 19 retailers as of October 31, 2026, with prices from HK$2,770 to HK$24,635, a HK$21,866 spread on the same certified stone. Do Amore Diamonds lists it at HK$24,635. 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

1.64
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG444017149
Dimensions7.43 × 7.49 × 4.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
7.43 mm7.49 mm1.64 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG444017149
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.5%

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 1
Current: HK$24,635 HKD|Low: HK$2,770 HKD|High: HK$24,635 HKD|Avg: HK$7,776 HKD|+0.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 18HK$2,770 HKD
Retailer 15HK$3,217 HKD
Retailer 13HK$3,389 HKD
Retailer 5HK$3,436 HKD
Retailer 14HK$3,436 HKD
Retailer 3HK$4,245 HKD
Retailer 6HK$4,629 HKD
Retailer 7HK$5,806 HKD
Retailer 9HK$5,945 HKD
Retailer 16HK$6,065 HKD
Retailer 12HK$6,121 HKD
Retailer 10HK$6,660 HKD
Retailer 2HK$7,297 HKD
Retailer 17HK$10,074 HKD
Retailer 8HK$10,396 HKD
Retailer 4HK$12,192 HKD
Retailer 11HK$14,817 HKD
Do Amore DiamondsHK$24,635 HKD

13 data points across 18 retailers

19 retailersHK$2,770 HKD to HK$24,635 HKD

A
Cheapest Retailer
-
HK$2,770 HKD
$353 USD
A
Retailer 2
-
HK$3,217 HKD
$410 USD
View
B+
Retailer 3
-
HK$3,389 HKD
$432 USD
View
A
Retailer 4
-
HK$3,436 HKD
$438 USD
View
Retailer 5
-
HK$3,436 HKD
$438 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
HK$4,245 HKD
$541 USD
View
A
Retailer 7
-
HK$4,629 HKD
$590 USD
View
Retailer 8
-
HK$5,806 HKD
$740 USD
View
Price last confirmed 11 days ago
A
Retailer 9
-
HK$5,945 HKD
$758 USD
View
A
Retailer 10
-
HK$6,065 HKD
$773 USD
View
A
Retailer 11
-
HK$6,121 HKD
£614 GBP
View
A
Retailer 12
-
HK$6,660 HKD
$849 USD
View
A
Retailer 13
-
HK$7,297 HKD
$930 USD
View
A
Retailer 14
-
HK$7,297 HKD
$930 USD
View
A
Retailer 15
-
HK$10,074 HKD
$1,284 USD
View
A
Retailer 16
-
HK$10,396 HKD
$1,325 USD
View
B+
Retailer 17
-
HK$12,192 HKD
$1,554 USD
View
B+
Retailer 18
-
HK$14,817 HKD
£1,487 GBP
View
Most Expensive
B
Do Amore Diamonds
27-4645E7EAD · Oct 31
HK$24,635 HKD
$3,140 USD
View
18 more retailers have this diamond
Prices start from HK$2,770 HKDSave up to HK$21,866 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
1.64ct Round
HK$2,770 HKD