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Cushion|Lab Grown|IGI

1.00ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG825639442

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825639442

Diamond specifications and retailer prices

From $580 SGD
$454 USD
As of October 30, 2026
Save $2,743 SGD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,324 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825639442 or 825639442. Listed at 13 retailers as of October 30, 2026, with prices from $580 to $3,324, a $2,743 spread on the same certified stone. Brilliant Earth lists it at $3,324. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825639442
Dimensions7.01 × 5.25 × 3.40 mm
L/W Ratio1.34
Girdle conditionFaceted
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
7.01 mm5.25 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825639442
Side View
Table 58.0%Crown 31.7°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
A+
Exceptional
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: $3,324 SGD|Low: $580 SGD|High: $3,337 SGD|Avg: $1,246 SGD|-0.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 10$580 SGD
Retailer 11$664 SGD
Retailer 13$704 SGD
Retailer 5$706 SGD
Retailer 9$863 SGD
Retailer 8$927 SGD
Retailer 7$946 SGD
Retailer 2$1,011 SGD
Retailer 6$1,057 SGD
Retailer 4$1,208 SGD
Retailer 12$1,704 SGD
Retailer 3$2,596 SGD
Brilliant Earth$3,324 SGD

18 data points across 13 retailers

13 retailers$580 SGD to $3,324 SGD

A+
Cheapest Retailer
-
$580 SGD
$454 USD
Final sale: no returns
A
Retailer 2
-
$664 SGD
£409 GBP
View
A
Retailer 3
-
$704 SGD
HK$4,300 HKD
View
A
Retailer 4
-
$706 SGD
$552 USD
View
A
Retailer 5
-
$863 SGD
$675 USD
View
A
Retailer 6
-
$927 SGD
$725 USD
View
A
Retailer 7
-
$946 SGD
$740 USD
View
A
Retailer 8
-
$1,011 SGD
€753 EUR
View
A
Retailer 9
-
$1,057 SGD
£651 GBP
View
B+
Retailer 10
-
$1,208 SGD
ZAR 15,269 ZAR
View
B+
Retailer 11
-
$1,704 SGD
View
B
Retailer 12
-
$2,596 SGD
£1,599 GBP
View
Most Expensive
B
Brilliant Earth
21545788A · Oct 31
$3,324 SGD
$2,600 USD
View
12 more retailers have this diamond
Prices start from $580 SGDSave up to $2,743 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+
1.00ct Cushion
$580 SGD