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Cushion|Lab Grown|IGI

1.88ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG727510778

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG727510778

Diamond specifications and retailer prices

From $634 SGD
$496 USD
As of November 1, 2026
Save $4,301 SGD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,935 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.88ct lab-grown cushion diamond

This 1.88ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG727510778 or 727510778. Listed at 13 retailers as of October 31, 2026, with prices from $634 to $4,935, a $4,301 spread on the same certified stone. Brilliant Earth lists it at $4,935. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727510778
Dimensions8.08 × 6.70 × 4.59 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
8.08 mm6.70 mm1.88 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727510778
Side View
Table 61.0%Crown 35.7°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 68.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $4,935 SGD|Low: $634 SGD|High: $5,868 SGD|Avg: $2,404 SGD|-15.9%
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 5$634 SGD
Retailer 9$853 SGD
Retailer 13$920 SGD
Retailer 11$1,014 SGD
Retailer 7$1,102 SGD
Retailer 3$1,560 SGD
Retailer 8$1,643 SGD
Retailer 12$1,886 SGD
Retailer 6$2,591 SGD
Retailer 4$4,159 SGD
Retailer 2$4,174 SGD
Retailer 10$4,577 SGD
Brilliant Earth$4,935 SGD

31 data points across 13 retailers

13 retailers$634 SGD to $4,935 SGD

A
Cheapest Retailer
-
$634 SGD
$496 USD
Final sale: no returns
A
Retailer 2
-
$853 SGD
$667 USD
View
A
Retailer 3
-
$920 SGD
$720 USD
View
A
Retailer 4
-
$1,014 SGD
$793 USD
View
A
Retailer 5
-
$1,102 SGD
€821 EUR
View
A
Retailer 6
-
$1,560 SGD
$1,220 USD
View
A
Retailer 7
-
$1,643 SGD
A$1,977 AUD
View
A
Retailer 8
-
$1,886 SGD
$1,475 USD
View
B+
Retailer 9
-
$2,591 SGD
£1,596 GBP
View
Retailer 10
-
$4,159 SGD
A$5,005 AUD
View
Price last confirmed 24 days ago
B+
Retailer 11
-
$4,174 SGD
$3,265 USD
View
B
Retailer 12
-
$4,577 SGD
$3,580 USD
View
Most Expensive
B
Brilliant Earth
15510545Y · Oct 31
$4,935 SGD
$3,860 USD
View
12 more retailers have this diamond
Prices start from $634 SGDSave up to $4,301 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
1.88ct Cushion
$634 SGD