CaratHunter
Plans
Cushion|Lab Grown|IGI

1.67ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG533220807

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG533220807

Diamond specifications and retailer prices

From $389 SGD
$304 USD
As of October 30, 2026
Save $1,644 SGD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,033 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.67ct lab-grown cushion diamond

This 1.67ct 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 LG533220807 or 533220807. Listed at 14 retailers as of October 30, 2026, with prices from $389 to $2,033, a $1,644 spread on the same certified stone. Brilliant Earth lists it at $2,033. 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

1.67
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG533220807
Dimensions6.98 × 6.95 × 4.56 mm
L/W Ratio1.00
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
6.98 mm6.95 mm1.67 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG533220807
Side View
Table 61.0%Crown 36.3°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 65.6%

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: $2,033 SGD|Low: $384 SGD|High: $2,058 SGD|Avg: $907 SGD|-1.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 3$389 SGD
Retailer 12$430 SGD
Retailer 5$478 SGD
Retailer 11$575 SGD
Retailer 8$633 SGD
Retailer 6$749 SGD
Retailer 7$764 SGD
Retailer 4$772 SGD
Retailer 10$1,089 SGD
Retailer 9$1,374 SGD
Retailer 2$1,721 SGD
Brilliant Earth$2,033 SGD

41 data points across 12 retailers

14 retailers$389 SGD to $2,033 SGD

A
Cheapest Retailer
-
$389 SGD
$304 USD
Final sale: no returns
Retailer 2
-
$430 SGD
$336 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$478 SGD
£295 GBP
View
B+
Retailer 4
-
$575 SGD
$450 USD
View
A
Retailer 5
-
$633 SGD
$495 USD
View
A
Retailer 6
-
$749 SGD
£461 GBP
View
A
Retailer 7
-
$764 SGD
€569 EUR
View
B+
Retailer 8
-
$772 SGD
$604 USD
View
B+
Retailer 9
-
$777 SGD
$608 USD
View
B+
Retailer 10
-
$1,089 SGD
$852 USD
View
Retailer 11
-
$1,374 SGD
$1,075 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
$1,446 SGD
$1,131 USD
View
B
Retailer 13
-
$1,721 SGD
£1,060 GBP
View
Most Expensive
B
Brilliant Earth
11226141A · Oct 31
$2,033 SGD
$1,590 USD
View
13 more retailers have this diamond
Prices start from $389 SGDSave up to $1,644 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
1.67ct Cushion
$389 SGD