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Round|Lab Grown|IGI

1.63ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG665402740

Shape and cutting style on the report: Round brilliant

Certificate IGI LG665402740

Diamond specifications and retailer prices

From $295 SGD
$231 USD
As of November 1, 2026
Save $2,237 SGD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,532 SGD at Do Amore Diamonds · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG665402740 or 665402740. Listed at 13 retailers as of November 1, 2026, with prices from $295 to $2,532, a $2,237 spread on the same certified stone. Do Amore Diamonds lists it at $2,532. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665402740
Dimensions7.63 × 7.57 × 4.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type II
Top View
7.63 mm7.57 mm1.63 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665402740
Side View
Table 55.0%Crown 33°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.3%

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: Nov 1
Current: $2,532 SGD|Low: $240 SGD|High: $2,532 SGD|Avg: $951 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 7$295 SGD
Retailer 9$482 SGD
Retailer 6$565 SGD
Retailer 8$660 SGD
Retailer 2$665 SGD
Retailer 4$934 SGD
Retailer 5$1,054 SGD
Retailer 3$1,446 SGD
Do Amore Diamonds$2,532 SGD

40 data points across 9 retailers

13 retailers$295 SGD to $2,532 SGD

A
Cheapest Retailer
-
$295 SGD
$231 USD
Final sale: no returns
Retailer 2
-
$326 SGD
$255 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
$326 SGD
$255 USD
View
A
Retailer 4
-
$482 SGD
$377 USD
View
B+
Retailer 5
-
$565 SGD
$442 USD
View
A
Retailer 6
-
$660 SGD
$516 USD
View
A
Retailer 7
-
$665 SGD
£409 GBP
View
Retailer 8
-
$934 SGD
$730 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$1,054 SGD
$824 USD
View
Retailer 10
-
$1,159 SGD
$906 USD
View
Price last confirmed 26 days ago
B
Retailer 11
-
$1,159 SGD
$906 USD
View
B
Retailer 12
-
$1,446 SGD
£890 GBP
View
Most Expensive
B
Do Amore Diamonds
27-037A0F266 · Nov 2
$2,532 SGD
$1,980 USD
View
12 more retailers have this diamond
Prices start from $295 SGDSave up to $2,237 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
1.63ct Round
$295 SGD