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Cushion|Lab Grown|IGI

1.00ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG816612563

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG816612563

Diamond specifications and retailer prices

From $465 SGD
$364 USD
As of October 30, 2026
Save $2,040 SGD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,506 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 LG816612563 or 816612563. Listed at 13 retailers as of October 30, 2026, with prices from $465 to $2,506, a $2,040 spread on the same certified stone. Brilliant Earth lists it at $2,506. 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 angle35.3°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816612563
Dimensions6.01 × 5.86 × 3.77 mm
L/W Ratio1.03
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
6.01 mm5.86 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816612563
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 64.3%

Caratlytics Score

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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: $2,506 SGD|Low: $341 SGD|High: $3,426 SGD|Avg: $1,338 SGD|-26.9%
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
November 1, 2026
Retailer 11$465 SGD
Retailer 5$532 SGD
Retailer 10$747 SGD
Retailer 3$754 SGD
Retailer 12$835 SGD
Retailer 6$835 SGD
Retailer 8$887 SGD
Retailer 2$915 SGD
Retailer 4$1,700 SGD
Retailer 13$1,716 SGD
Retailer 9$2,038 SGD
Retailer 7$2,080 SGD
Brilliant Earth$2,506 SGD

36 data points across 13 retailers

13 retailers$465 SGD to $2,506 SGD

A
Cheapest Retailer
-
$465 SGD
$364 USD
Final sale: no returns
Retailer 2
-
$532 SGD
$416 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$747 SGD
$584 USD
View
A
Retailer 4
-
$754 SGD
$590 USD
View
A
Retailer 5
-
$835 SGD
$653 USD
View
A
Retailer 6
-
$835 SGD
€622 EUR
View
A
Retailer 7
-
$887 SGD
ZAR 11,209 ZAR
View
A
Retailer 8
-
$915 SGD
£564 GBP
View
Retailer 9
-
$1,700 SGD
$1,330 USD
View
Price last confirmed 13 days ago
B
Retailer 10
-
$1,716 SGD
$1,343 USD
View
B
Retailer 11
-
$2,038 SGD
$1,595 USD
View
B+
Retailer 12
-
$2,080 SGD
£1,281 GBP
View
Most Expensive
B
Brilliant Earth
21018661A · Oct 31
$2,506 SGD
$1,960 USD
View
12 more retailers have this diamond
Prices start from $465 SGDSave up to $2,040 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
$465 SGD