CaratHunter
Plans
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 $308 SGD
$241 USD
As of October 30, 2026
Save $2,300 SGD (88%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,608 SGD at Do Amore Diamonds · As of October 31, 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 30, 2026, with prices from $308 to $2,608, a $2,300 spread on the same certified stone. Do Amore Diamonds lists it at $2,608. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,608 SGD|Low: $193 SGD|High: $2,634 SGD|Avg: $1,121 SGD|+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$308 SGD
Retailer 3$579 SGD
Retailer 8$650 SGD
Retailer 7$741 SGD
Retailer 5$781 SGD
Retailer 6$1,042 SGD
Retailer 2$1,494 SGD
Retailer 9$1,930 SGD
Do Amore Diamonds$2,608 SGD

11 data points across 9 retailers

4 retailers$308 SGD to $2,608 SGD

A
Cheapest Retailer
-
$308 SGD
$241 USD
Final sale: no returns
B+
Retailer 2
-
$579 SGD
$453 USD
View
B
Retailer 3
-
$1,494 SGD
£920 GBP
View
Most Expensive
B
Do Amore Diamonds
27-03466DCAF · Oct 31
$2,608 SGD
$2,040 USD
View
3 more retailers have this diamond
Prices start from $308 SGDSave up to $2,300 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 Cushion
$308 SGD