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Round|Lab Grown|IGI

1.64ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG544249031

Shape and cutting style on the report: Round brilliant

Certificate IGI LG544249031

Diamond specifications and retailer prices

From $451 SGD
$353 USD
As of October 29, 2026
Save $3,563 SGD (89%) vs most expensive(unlock to see where)
18 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 1.64ct 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 LG544249031 or 544249031. Listed at 18 retailers as of October 29, 2026, with prices from $451 to $4,014, a $3,563 spread on the same certified stone. Do Amore Diamonds lists it at $4,014. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544249031
Dimensions7.47 × 7.49 × 4.74 mm
L/W Ratio1.00
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
7.47 mm7.49 mm1.64 ctH / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544249031
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.4%

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 29
Current: $4,014 SGD|Low: $451 SGD|High: $4,014 SGD|Avg: $1,268 SGD|+0.3%
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
October 30, 2026
Retailer 18$451 SGD
Retailer 15$524 SGD
Retailer 12$552 SGD
Retailer 5$560 SGD
Retailer 14$560 SGD
Retailer 3$692 SGD
Retailer 6$754 SGD
Retailer 7$946 SGD
Retailer 9$969 SGD
Retailer 16$988 SGD
Retailer 11$1,000 SGD
Retailer 10$1,085 SGD
Retailer 2$1,163 SGD
Retailer 17$1,641 SGD
Retailer 8$1,694 SGD
Retailer 4$1,987 SGD
Retailer 13$2,427 SGD
Do Amore Diamonds$4,014 SGD

13 data points across 18 retailers

18 retailers$451 SGD to $4,014 SGD

A
Cheapest Retailer
-
$451 SGD
$353 USD
A
Retailer 2
-
$524 SGD
$410 USD
View
B+
Retailer 3
-
$552 SGD
$432 USD
View
A
Retailer 4
-
$560 SGD
$438 USD
View
A
Retailer 5
-
$560 SGD
$438 USD
View
A
Retailer 6
-
$692 SGD
$541 USD
View
A
Retailer 7
-
$754 SGD
$590 USD
View
Retailer 8
-
$946 SGD
$740 USD
View
Price last confirmed 10 days ago
A
Retailer 9
-
$969 SGD
$758 USD
View
A
Retailer 10
-
$988 SGD
$773 USD
View
A
Retailer 11
-
$1,000 SGD
£616 GBP
View
A
Retailer 12
-
$1,085 SGD
$849 USD
View
A
Retailer 13
-
$1,163 SGD
$910 USD
View
A
Retailer 14
-
$1,641 SGD
$1,284 USD
View
A
Retailer 15
-
$1,694 SGD
$1,325 USD
View
B+
Retailer 16
-
$1,987 SGD
$1,554 USD
View
B+
Retailer 17
-
$2,427 SGD
£1,495 GBP
View
Most Expensive
B
Do Amore Diamonds
27-88C6A3D1D · Oct 31
$4,014 SGD
$3,140 USD
View
17 more retailers have this diamond
Prices start from $451 SGDSave up to $3,563 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
1.64ct Round
$451 SGD