Cushion|Lab Grown|IGI

2.78ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG816616094

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816616094

Diamond specifications and retailer prices

From $2,256 SGD
$1,765 USD
As of October 29, 2026
Save $7,344 SGD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,601 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.78ct lab-grown cushion diamond

This 2.78ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816616094 or 816616094. Listed at 16 retailers as of October 29, 2026, with prices from $2,256 to $9,601, a $7,344 spread on the same certified stone. Brilliant Earth lists it at $9,601. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.78
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816616094
Dimensions10.17 × 6.89 × 4.56 mm
L/W Ratio1.48
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
10.17 mm6.89 mm2.78 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816616094
Side View
Table 64.0%Crown 34.8°Girdle: STK-THKPavilion 37.4°Culet: NoneDepth 66.2%

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 29
Current: $9,601 SGD|Low: $2,022 SGD|High: $14,714 SGD|Avg: $5,606 SGD|-34.8%
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
October 30, 2026
Retailer 8$2,095 SGD
Retailer 12$2,256 SGD
Retailer 15$2,345 SGD
Retailer 2$2,870 SGD
Retailer 3$3,215 SGD
Retailer 4$3,453 SGD
Retailer 10$3,898 SGD
Retailer 13$4,026 SGD
Retailer 14$4,910 SGD
Retailer 9$5,250 SGD
Retailer 16$5,484 SGD
Retailer 11$6,572 SGD
Retailer 6$7,153 SGD
Retailer 7$7,932 SGD
Retailer 5$8,209 SGD
Brilliant Earth$9,601 SGD

31 data points across 16 retailers

16 retailers$2,256 SGD to $9,601 SGD

Retailer 1
-
$2,095 SGD
$1,639 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$2,256 SGD
$1,765 USD
View
A
Retailer 3
-
$2,345 SGD
$1,834 USD
View
Final sale: no returns
A
Retailer 4
-
$2,870 SGD
£1,768 GBP
View
A
Retailer 5
-
$3,215 SGD
$2,515 USD
View
A
Retailer 6
-
$3,453 SGD
$2,701 USD
View
A
Retailer 7
-
$3,898 SGD
€2,904 EUR
View
A
Retailer 8
-
$4,026 SGD
$3,149 USD
View
A
Retailer 9
-
$4,910 SGD
£3,024 GBP
View
B+
Retailer 10
-
$5,250 SGD
ZAR 66,342 ZAR
View
B+
Retailer 11
-
$5,484 SGD
$4,290 USD
View
B+
Retailer 12
-
$6,572 SGD
£4,048 GBP
View
B+
Retailer 13
-
$7,153 SGD
$5,596 USD
View
Retailer 14
-
$7,932 SGD
$6,205 USD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
$8,209 SGD
View
Most Expensive
B
Brilliant Earth
21421918A · Oct 30
$9,601 SGD
$7,510 USD
View
15 more retailers have this diamond
Prices start from $2,256 SGDSave up to $7,344 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
2.78ct Cushion
$2,256 SGD