CaratHunter
Plans
Cushion|Lab Grown|IGI

1.01ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG581326974

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG581326974

Diamond specifications and retailer prices

From $333 SGD
$260 USD
As of November 1, 2026
Save $2,097 SGD (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,430 SGD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG581326974 or 581326974. Listed at 10 retailers as of November 1, 2026, with prices from $333 to $2,430, a $2,097 spread on the same certified stone. Do Amore Diamonds lists it at $2,430. 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

1.01
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581326974
Dimensions6.42 × 5.41 × 3.69 mm
L/W Ratio1.19
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
6.42 mm5.41 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581326974
Side View
Table 62.0%Crown 35.4°Girdle: STK-THKPavilion 37.6°Culet: NoneDepth 68.2%

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: $2,430 SGD|Low: $216 SGD|High: $2,430 SGD|Avg: $816 SGD|+30.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 3$216 SGD
Retailer 5$315 SGD
Retailer 6$333 SGD
Retailer 10$523 SGD
Retailer 7$545 SGD
Retailer 2$638 SGD
Retailer 11$945 SGD
Retailer 9$1,153 SGD
Retailer 8$1,334 SGD
Retailer 4$1,389 SGD
Do Amore Diamonds$2,430 SGD

38 data points across 11 retailers

10 retailers$333 SGD to $2,430 SGD

Retailer 1
-
$315 SGD
$246 USD
Price last confirmed 9 days ago
A
Retailer 2
-
$333 SGD
$260 USD
View
Retailer 3
-
$523 SGD
£322 GBP
View
Price last confirmed 29 days ago
B+
Retailer 4
-
$545 SGD
$426 USD
View
B+
Retailer 5
-
$638 SGD
£393 GBP
View
B
Retailer 6
-
$945 SGD
$739 USD
View
B
Retailer 7
-
$1,153 SGD
View
B
Retailer 8
-
$1,334 SGD
$1,043 USD
View
B
Retailer 9
-
$1,389 SGD
£855 GBP
View
Most Expensive
B
Do Amore Diamonds
27-654CAEDC8 · Nov 2
$2,430 SGD
$1,900 USD
View
9 more retailers have this diamond
Prices start from $333 SGDSave up to $2,097 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
1.01ct Cushion
$333 SGD