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Round|Lab Grown|IGI

1.62ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG571321854

Shape and cutting style on the report: Round brilliant

Certificate IGI LG571321854

Diamond specifications and retailer prices

From $446 SGD
$349 USD
As of October 29, 2026
Save $3,517 SGD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,963 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG571321854 or 571321854. Listed at 18 retailers as of October 29, 2026, with prices from $446 to $3,963, a $3,517 spread on the same certified stone. Do Amore Diamonds lists it at $3,963. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571321854
Dimensions7.57 × 7.61 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.57 mm7.61 mm1.62 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571321854
Side View
Table 58.5%Crown 33°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
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 29
Current: $3,963 SGD|Low: $446 SGD|High: $3,963 SGD|Avg: $1,251 SGD
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
Retailer 18
October 30, 2026
Retailer 18$446 SGD
Retailer 15$518 SGD
Retailer 12$547 SGD
Retailer 5$554 SGD
Retailer 14$554 SGD
Retailer 3$678 SGD
Retailer 6$748 SGD
Retailer 7$946 SGD
Retailer 9$957 SGD
Retailer 16$981 SGD
Retailer 11$989 SGD
Retailer 10$1,077 SGD
Retailer 2$1,125 SGD
Retailer 17$1,624 SGD
Retailer 8$1,673 SGD
Retailer 4$1,964 SGD
Retailer 13$2,400 SGD
Do Amore Diamonds$3,963 SGD

14 data points across 18 retailers

18 retailers$446 SGD to $3,963 SGD

A
Cheapest Retailer
-
$446 SGD
$349 USD
A
Retailer 2
-
$518 SGD
$405 USD
View
B+
Retailer 3
-
$547 SGD
$428 USD
View
A
Retailer 4
-
$554 SGD
$433 USD
View
A
Retailer 5
-
$554 SGD
$433 USD
View
A
Retailer 6
-
$678 SGD
$530 USD
View
A
Retailer 7
-
$748 SGD
$585 USD
View
Retailer 8
-
$946 SGD
$740 USD
View
Price last confirmed 10 days ago
A
Retailer 9
-
$957 SGD
$748 USD
View
A
Retailer 10
-
$981 SGD
$767 USD
View
A
Retailer 11
-
$989 SGD
£609 GBP
View
A
Retailer 12
-
$1,077 SGD
$842 USD
View
A
Retailer 13
-
$1,125 SGD
$880 USD
View
A
Retailer 14
-
$1,624 SGD
$1,270 USD
View
A
Retailer 15
-
$1,673 SGD
$1,309 USD
View
B+
Retailer 16
-
$1,964 SGD
$1,536 USD
View
B+
Retailer 17
-
$2,400 SGD
£1,478 GBP
View
Most Expensive
B
Do Amore Diamonds
27-4B48887AE · Oct 31
$3,963 SGD
$3,100 USD
View
17 more retailers have this diamond
Prices start from $446 SGDSave up to $3,517 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
$446 SGD