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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 $411 NZD
$231 USD
As of November 1, 2026
Save $3,108 NZD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,519 NZD 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 $411 to $3,519, a $3,108 spread on the same certified stone. Do Amore Diamonds lists it at $3,519. 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,519 NZD|Low: $334 NZD|High: $3,519 NZD|Avg: $1,321 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 7$411 NZD
Retailer 9$670 NZD
Retailer 6$786 NZD
Retailer 8$917 NZD
Retailer 2$924 NZD
Retailer 4$1,297 NZD
Retailer 5$1,464 NZD
Retailer 3$2,009 NZD
Do Amore Diamonds$3,519 NZD

40 data points across 9 retailers

13 retailers$411 NZD to $3,519 NZD

A
Cheapest Retailer
-
$411 NZD
$231 USD
Final sale: no returns
Retailer 2
-
$453 NZD
$255 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
$453 NZD
$255 USD
View
A
Retailer 4
-
$670 NZD
$377 USD
View
B+
Retailer 5
-
$786 NZD
$442 USD
View
A
Retailer 6
-
$917 NZD
$516 USD
View
A
Retailer 7
-
$924 NZD
£409 GBP
View
Retailer 8
-
$1,297 NZD
$730 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$1,464 NZD
$824 USD
View
Retailer 10
-
$1,610 NZD
$906 USD
View
Price last confirmed 26 days ago
B
Retailer 11
-
$1,610 NZD
$906 USD
View
B
Retailer 12
-
$2,009 NZD
£890 GBP
View
Most Expensive
B
Do Amore Diamonds
27-037A0F266 · Nov 2
$3,519 NZD
$1,980 USD
View
12 more retailers have this diamond
Prices start from $411 NZDSave up to $3,108 NZD

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
$411 NZD