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Cushion|Lab Grown|IGI

1.77ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG836608009

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

Certificate IGI LG836608009

Diamond specifications and retailer prices

From $904 SGD
$707 USD
As of November 1, 2026
Save $3,801 SGD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,705 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG836608009 or 836608009. Listed at 20 retailers as of October 31, 2026, with prices from $904 to $4,705, a $3,801 spread on the same certified stone. Brilliant Earth lists it at $4,705. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836608009
Dimensions6.84 × 6.82 × 4.51 mm
L/W Ratio1.00
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
6.84 mm6.82 mm1.77 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836608009
Side View
Table 63.0%Crown 34.4°Girdle: MED-THKPavilion 37.6°Culet: NoneDepth 66.1%

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: Nov 1
Current: $4,705 SGD|Low: $904 SGD|High: $7,261 SGD|Avg: $2,473 SGD|-35.2%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 4$904 SGD
Retailer 11$972 SGD
Retailer 13$975 SGD
Retailer 16$1,093 SGD
Retailer 7$1,207 SGD
Retailer 8$1,416 SGD
Retailer 14$1,429 SGD
Retailer 15$1,579 SGD
Retailer 19$1,585 SGD
Retailer 20$1,840 SGD
Retailer 17$2,075 SGD
Retailer 6$2,689 SGD
Retailer 3$2,986 SGD
Retailer 18$3,140 SGD
Retailer 9$3,279 SGD
Retailer 5$3,456 SGD
Retailer 10$3,842 SGD
Retailer 2$4,004 SGD
Retailer 12$4,363 SGD
Brilliant Earth$4,705 SGD

26 data points across 20 retailers

20 retailers$904 SGD to $4,705 SGD

A
Cheapest Retailer
-
$904 SGD
$707 USD
Final sale: no returns
Retailer 2
-
$972 SGD
$760 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$975 SGD
£601 GBP
View
A
Retailer 4
-
$1,093 SGD
$855 USD
View
A
Retailer 5
-
$1,207 SGD
$944 USD
View
A
Retailer 6
-
$1,416 SGD
$1,108 USD
View
A
Retailer 7
-
$1,429 SGD
£880 GBP
View
A
Retailer 8
-
$1,579 SGD
€1,176 EUR
View
A
Retailer 9
-
$1,585 SGD
ZAR 20,029 ZAR
View
A
Retailer 10
-
$1,840 SGD
$1,439 USD
View
A
Retailer 11
-
$2,075 SGD
$1,623 USD
View
B+
Retailer 12
-
$2,689 SGD
£1,656 GBP
View
B+
Retailer 13
-
$2,986 SGD
$2,336 USD
View
B+
Retailer 14
-
$3,140 SGD
$2,456 USD
View
B+
Retailer 15
-
$3,279 SGD
View
B+
Retailer 16
-
$3,456 SGD
$2,703 USD
View
B
Retailer 17
-
$3,842 SGD
$3,005 USD
View
B
Retailer 18
-
$4,004 SGD
£2,466 GBP
View
B
Retailer 19
-
$4,363 SGD
$3,413 USD
View
Most Expensive
B
Brilliant Earth
21695330A · Oct 31
$4,705 SGD
$3,680 USD
View
19 more retailers have this diamond
Prices start from $904 SGDSave up to $3,801 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
$904 SGD