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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 $231 USD
As of November 1, 2026
Save $1,749 USD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,980 USD 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 $231 to $1,980, a $1,749 spread on the same certified stone. Do Amore Diamonds lists it at $1,980. 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
Color
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

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: Nov 1
Current: $1,980 USD|Low: $188 USD|High: $1,980 USD|Avg: $743 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 7$231 USD
Retailer 9$377 USD
Retailer 6$442 USD
Retailer 8$516 USD
Retailer 2$520 USD
Retailer 4$730 USD
Retailer 5$824 USD
Retailer 3$1,130 USD
Do Amore Diamonds$1,980 USD

40 data points across 9 retailers

13 retailers$231 USD to $1,980 USD

A
Cheapest Retailer
-
$231 USD
Final sale: no returns
Retailer 2
-
$255 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
$255 USD
View
A
Retailer 4
-
$377 USD
View
B+
Retailer 5
-
$442 USD
View
A
Retailer 6
-
$516 USD
View
A
Retailer 7
-
$520 USD
£409 GBP
View
Retailer 8
-
$730 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$824 USD
View
Retailer 10
-
$906 USD
View
Price last confirmed 26 days ago
B
Retailer 11
-
$906 USD
View
B
Retailer 12
-
$1,130 USD
£890 GBP
View
Most Expensive
B
Do Amore Diamonds
27-037A0F266 · Nov 2
$1,980 USD
View
12 more retailers have this diamond
Prices start from $231 USDSave up to $1,749 USD

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
$231 USD