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Round|Lab Grown|IGI

1.62ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG425078889

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425078889

Diamond specifications and retailer prices

From HK$3,390 HKD
$432 USD
As of November 1, 2026
Save HK$11,428 HKD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$24,637 HKD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.62ct lab-grown round diamond

This 1.62ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425078889 or 425078889. Listed at 13 retailers as of November 1, 2026, with a 337% 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

1.62
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425078889
Dimensions7.49 × 7.54 × 4.67 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
7.49 mm7.54 mm1.62 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425078889
Side View
Table 59.0%Crown 35.5°Girdle: MediumPavilion 41.6°Culet: NoneDepth 62.2%

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$24,637 HKD|Low: HK$3,390 HKD|High: HK$24,637 HKD|Avg: HK$9,266 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
November 2, 2026
Retailer 10HK$3,390 HKD
Retailer 9HK$3,452 HKD
Retailer 12HK$4,629 HKD
Retailer 3HK$6,096 HKD
Retailer 5HK$6,742 HKD
Retailer 2HK$6,756 HKD
Retailer 6HK$6,858 HKD
Retailer 7HK$7,375 HKD
Retailer 11HK$10,082 HKD
Retailer 13HK$10,679 HKD
Retailer 4HK$13,403 HKD
Retailer 8HK$14,817 HKD
Do Amore DiamondsHK$24,637 HKD

17 data points across 13 retailers

13 retailersHK$3,390 HKD to HK$14,817 HKD

A
Cheapest Retailer
-
HK$3,390 HKD
$432 USD
B+
Retailer 2
-
HK$3,452 HKD
$440 USD
View
B+
Retailer 3
-
HK$4,629 HKD
$590 USD
View
B+
Retailer 4
-
HK$6,096 HKD
$777 USD
View
B
Retailer 5
-
HK$6,742 HKD
$859 USD
View
B+
Retailer 6
-
HK$6,756 HKD
£678 GBP
View
B+
Retailer 7
-
HK$6,858 HKD
£688 GBP
View
B
Retailer 8
-
HK$7,375 HKD
$940 USD
View
B
Retailer 9
-
HK$10,082 HKD
$1,285 USD
View
B
Retailer 10
-
HK$10,679 HKD
$1,361 USD
View
B
Retailer 11
-
HK$13,403 HKD
$1,708 USD
View
B
Retailer 12
-
HK$14,817 HKD
£1,487 GBP
View
Most Expensive
Do Amore Diamonds
27-2A1C5E56F · Nov 2
HK$24,637 HKD
$3,140 USD
View
Price under review
12 more retailers have this diamond
Prices start from HK$3,390 HKDSave up to HK$11,428 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
1.62ct Round
HK$3,390 HKD