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Cushion|Lab Grown|IGI

1.77ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG816630872

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816630872

Diamond specifications and retailer prices

From $1,052 SGD
$823 USD
As of November 1, 2026
Save $3,258 SGD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,311 SGD at MOH London · As of October 29, 2026
View at MOH London

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816630872 or 816630872. Listed at 14 retailers as of October 29, 2026, with prices from $1,052 to $4,311, a $3,258 spread on the same certified stone. MOH London lists it at $4,311. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816630872
Dimensions9.24 × 6.16 × 4.04 mm
L/W Ratio1.50
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
9.24 mm6.16 mm1.77 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816630872
Side View
Table 60.0%Crown 32.7°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 65.6%

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: Nov 1
Current: $4,311 SGD|Low: $1,052 SGD|High: $5,238 SGD|Avg: $2,642 SGD|-16.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 14$1,052 SGD
Retailer 3$1,092 SGD
Retailer 8$1,349 SGD
Retailer 13$1,506 SGD
Retailer 7$1,655 SGD
Retailer 2$1,752 SGD
Retailer 11$1,769 SGD
Retailer 10$1,907 SGD
Retailer 4$3,390 SGD
Retailer 5$3,689 SGD
Retailer 12$3,713 SGD
Retailer 6$3,763 SGD
Retailer 9$3,848 SGD
MOH London$4,311 SGD

42 data points across 14 retailers

14 retailers$1,052 SGD to $4,311 SGD

A
Cheapest Retailer
-
$1,052 SGD
$823 USD
Final sale: no returns
Retailer 2
-
$1,092 SGD
$854 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$1,349 SGD
$1,055 USD
View
A
Retailer 4
-
$1,506 SGD
$1,178 USD
View
A
Retailer 5
-
$1,655 SGD
€1,233 EUR
View
A
Retailer 6
-
$1,752 SGD
£1,079 GBP
View
A
Retailer 7
-
$1,769 SGD
$1,384 USD
View
A
Retailer 8
-
$1,907 SGD
$1,492 USD
View
B+
Retailer 9
-
$3,390 SGD
£2,088 GBP
View
B+
Retailer 10
-
$3,689 SGD
$2,886 USD
View
B
Retailer 11
-
$3,713 SGD
$2,905 USD
View
B
Retailer 12
-
$3,763 SGD
$2,944 USD
View
Retailer 13
-
$3,848 SGD
$3,010 USD
View
Price last confirmed 11 days ago
Most Expensive
B
MOH London
LG816630872 · Oct 29
$4,311 SGD
£2,655 GBP
View
13 more retailers have this diamond
Prices start from $1,052 SGDSave up to $3,258 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
$1,052 SGD