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Cushion|Lab Grown|IGI

1.00ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG560245998

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG560245998

Diamond specifications and retailer prices

From $171 SGD
$134 USD
As of October 30, 2026
Save $1,607 SGD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,778 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown cushion diamond

This 1ct 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 LG560245998 or 560245998. Listed at 12 retailers as of October 29, 2026, with prices from $171 to $1,778, a $1,607 spread on the same certified stone. MOH London lists it at $1,778. 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

1.00
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle29.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG560245998
Dimensions6.40 × 5.27 × 3.32 mm
L/W Ratio1.21
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
6.40 mm5.27 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG560245998
Side View
Table 63.5%Crown 40.6°Girdle: MED-STKPavilion 29.2°Culet: NoneDepth 63.0%

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: $1,778 SGD|Low: $171 SGD|High: $1,778 SGD|Avg: $623 SGD|+46.0%
MOH London
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 7$171 SGD
Retailer 4$235 SGD
Retailer 11$263 SGD
Retailer 12$306 SGD
Retailer 2$358 SGD
Retailer 5$402 SGD
Retailer 8$509 SGD
Retailer 6$525 SGD
Retailer 3$905 SGD
Retailer 10$1,209 SGD
Retailer 9$1,739 SGD
MOH London$1,778 SGD

40 data points across 12 retailers

12 retailers$171 SGD to $1,778 SGD

A
Cheapest Retailer
-
$171 SGD
$134 USD
Final sale: no returns
B+
Retailer 2
-
$263 SGD
$206 USD
View
A
Retailer 3
-
$306 SGD
$239 USD
View
A
Retailer 4
-
$358 SGD
£220 GBP
View
Retailer 5
-
$393 SGD
HK$2,400 HKD
View
Price last confirmed 58 days ago
A
Retailer 6
-
$402 SGD
£248 GBP
View
B+
Retailer 7
-
$509 SGD
$398 USD
View
A
Retailer 8
-
$525 SGD
$411 USD
View
B
Retailer 9
-
$905 SGD
$708 USD
View
B
Retailer 10
-
$1,209 SGD
$946 USD
View
B
Retailer 11
-
$1,739 SGD
$1,360 USD
View
Most Expensive
B
MOH London
LG560245998 · Oct 29
$1,778 SGD
£1,095 GBP
View
11 more retailers have this diamond
Prices start from $171 SGDSave up to $1,607 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
$171 SGD