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Round|Lab Grown|IGI

1.63ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG450019953

Shape and cutting style on the report: Round brilliant

Certificate IGI LG450019953

Diamond specifications and retailer prices

From HK$2,754 HKD
$351 USD
As of November 1, 2026
Save HK$21,725 HKD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$24,479 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.63ct lab-grown round diamond

This 1.63ct 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 LG450019953 or 450019953. Listed at 18 retailers as of October 31, 2026, with prices from HK$2,754 to HK$24,479, a HK$21,725 spread on the same certified stone. Do Amore Diamonds lists it at HK$24,479. 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

1.63
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG450019953
Dimensions7.51 × 7.59 × 4.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
7.51 mm7.59 mm1.63 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG450019953
Side View
Table 57.5%Crown 34.5°Girdle: MediumPavilion 41.5°Culet: NoneDepth 62.3%

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$24,479 HKD|Low: HK$2,754 HKD|High: HK$24,479 HKD|Avg: HK$7,713 HKD
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$2,754 HKD
Retailer 15HK$3,193 HKD
Retailer 12HK$3,374 HKD
Retailer 5HK$3,413 HKD
Retailer 14HK$3,413 HKD
Retailer 3HK$4,197 HKD
Retailer 6HK$4,590 HKD
Retailer 7HK$5,806 HKD
Retailer 9HK$5,908 HKD
Retailer 16HK$6,041 HKD
Retailer 2HK$6,087 HKD
Retailer 10HK$6,634 HKD
Retailer 11HK$7,140 HKD
Retailer 17HK$10,019 HKD
Retailer 8HK$10,333 HKD
Retailer 4HK$12,122 HKD
Retailer 13HK$14,817 HKD
Do Amore DiamondsHK$24,479 HKD

14 data points across 18 retailers

18 retailersHK$2,754 HKD to HK$24,479 HKD

A
Cheapest Retailer
-
HK$2,754 HKD
$351 USD
A
Retailer 2
-
HK$3,193 HKD
$407 USD
View
B+
Retailer 3
-
HK$3,374 HKD
$430 USD
View
Retailer 4
-
HK$3,413 HKD
$435 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
HK$3,413 HKD
$435 USD
View
A
Retailer 6
-
HK$4,197 HKD
$535 USD
View
A
Retailer 7
-
HK$4,590 HKD
$585 USD
View
Retailer 8
-
HK$5,806 HKD
$740 USD
View
Price last confirmed 11 days ago
A
Retailer 9
-
HK$5,908 HKD
$753 USD
View
A
Retailer 10
-
HK$6,041 HKD
$770 USD
View
A
Retailer 11
-
HK$6,087 HKD
£611 GBP
View
A
Retailer 12
-
HK$6,634 HKD
$846 USD
View
A
Retailer 13
-
HK$7,140 HKD
$910 USD
View
A
Retailer 14
-
HK$10,019 HKD
$1,277 USD
View
A
Retailer 15
-
HK$10,333 HKD
$1,317 USD
View
B+
Retailer 16
-
HK$12,122 HKD
$1,545 USD
View
B+
Retailer 17
-
HK$14,817 HKD
£1,487 GBP
View
Most Expensive
B
Do Amore Diamonds
27-78B8021BB · Oct 31
HK$24,479 HKD
$3,120 USD
View
17 more retailers have this diamond
Prices start from HK$2,754 HKDSave up to HK$21,725 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
1.63ct Round
HK$2,754 HKD