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Cushion|Lab Grown|IGI

1.77ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG848625179

Shape and cutting style on the report: Square cushion antique cut

Certificate IGI LG848625179

Diamond specifications and retailer prices

From $802 SGD
$627 USD
As of October 27, 2026
Save $2,406 SGD (75%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,208 SGD at Taylor and Hart · As of October 26, 2026
View at Taylor and Hart

About this 1.77ct lab-grown cushion diamond

This 1.77ct 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 LG848625179 or 848625179. Listed at 6 retailers as of October 26, 2026, with prices from $802 to $3,208, a $2,406 spread on the same certified stone. Taylor and Hart lists it at $3,208. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848625179
Dimensions7.44 × 7.27 × 4.41 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizeLarge
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
7.44 mm7.27 mm1.77 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848625179
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 40.9°Culet: LargeDepth 60.7%

Caratlytics Score

How it works →
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 27
Current: $1,157 SGD|Low: $802 SGD|High: $3,208 SGD|Avg: $1,726 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
October 28, 2026
Retailer 5$802 SGD
Retailer 3$1,034 SGD
Retailer 1$1,157 SGD
Retailer 4$1,547 SGD
Retailer 6$1,585 SGD
Retailer 2$1,860 SGD
Taylor and Hart$3,208 SGD

3 data points across 7 retailers

6 retailers$802 SGD to $3,208 SGD

A
Cheapest Retailer
-
$802 SGD
$627 USD
A
Retailer 2
-
$1,157 SGD
$905 USD
View
A
Retailer 3
-
$1,547 SGD
£953 GBP
View
A
Retailer 4
-
$1,585 SGD
$1,240 USD
View
A
Retailer 5
-
$1,860 SGD
$1,455 USD
View
Most Expensive
B+
Taylor and Hart
AZ4ARER · Oct 26
$3,208 SGD
$2,509 USD
View
5 more retailers have this diamond
Prices start from $802 SGDSave up to $2,406 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
1.77ct Cushion
$802 SGD