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Cushion|Lab Grown|IGI

1.63ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG470141765

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG470141765

Diamond specifications and retailer prices

From $241 USD
As of October 30, 2026
Save $1,799 USD (88%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,040 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.63ct lab-grown cushion diamond

This 1.63ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG470141765 or 470141765. Listed at 4 retailers as of October 29, 2026, with prices from $241 to $2,040, a $1,799 spread on the same certified stone. Do Amore Diamonds lists it at $2,040. 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG470141765
Dimensions6.99 × 6.61 × 4.30 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.99 mm6.61 mm1.63 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG470141765
Side View
Table 64.0%Crown 33.5°Girdle: MED-THKPavilion 34.9°Culet: NoneDepth 65.1%

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 30
Current: $2,040 USD|Low: $151 USD|High: $2,060 USD|Avg: $877 USD|+6.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 26, 2026
Retailer 4$241 USD
Retailer 3$453 USD
Retailer 8$509 USD
Retailer 7$580 USD
Retailer 5$611 USD
Retailer 6$815 USD
Retailer 2$1,168 USD
Retailer 9$1,510 USD
Do Amore Diamonds$2,040 USD

11 data points across 9 retailers

4 retailers$241 USD to $2,040 USD

A
Cheapest Retailer
-
$241 USD
Final sale: no returns
B+
Retailer 2
-
$453 USD
View
B
Retailer 3
-
$1,168 USD
£920 GBP
View
Most Expensive
B
Do Amore Diamonds
27-03466DCAF · Oct 29
$2,040 USD
View
3 more retailers have this diamond
Prices start from $241 USDSave up to $1,799 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 Cushion
$241 USD