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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 $552 SGD
$432 USD
As of October 30, 2026
Save $1,862 SGD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,014 SGD at Do Amore Diamonds · As of October 31, 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 October 30, 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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,014 SGD|Low: $552 SGD|High: $4,014 SGD|Avg: $1,511 SGD
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 1, 2026
Retailer 10$552 SGD
Retailer 9$562 SGD
Retailer 12$754 SGD
Retailer 3$993 SGD
Retailer 5$1,099 SGD
Retailer 6$1,101 SGD
Retailer 7$1,117 SGD
Retailer 8$1,176 SGD
Retailer 11$1,643 SGD
Retailer 13$1,740 SGD
Retailer 4$2,184 SGD
Retailer 2$2,414 SGD
Do Amore Diamonds$4,014 SGD

16 data points across 13 retailers

13 retailers$552 SGD to $2,414 SGD

A
Cheapest Retailer
-
$552 SGD
$432 USD
B+
Retailer 2
-
$562 SGD
$440 USD
View
B+
Retailer 3
-
$754 SGD
$590 USD
View
B+
Retailer 4
-
$993 SGD
$777 USD
View
B
Retailer 5
-
$1,099 SGD
$859 USD
View
B+
Retailer 6
-
$1,101 SGD
£678 GBP
View
B+
Retailer 7
-
$1,117 SGD
£688 GBP
View
B+
Retailer 8
-
$1,176 SGD
$920 USD
View
B
Retailer 9
-
$1,643 SGD
$1,285 USD
View
B
Retailer 10
-
$1,740 SGD
$1,361 USD
View
B
Retailer 11
-
$2,184 SGD
$1,708 USD
View
B
Retailer 12
-
$2,414 SGD
£1,487 GBP
View
Most Expensive
Do Amore Diamonds
27-2A1C5E56F · Oct 31
$4,014 SGD
$3,140 USD
View
Price under review
12 more retailers have this diamond
Prices start from $552 SGDSave up to $1,862 SGD

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
$552 SGD