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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 $3,132 NZD
$1,765 USD
As of October 31, 2026
Save $10,193 NZD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $13,325 NZD 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 30, 2026, with prices from $3,132 to $13,325, a $10,193 spread on the same certified stone. Brilliant Earth lists it at $13,325. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $13,325 NZD|Low: $2,807 NZD|High: $19,819 NZD|Avg: $7,644 NZD|-32.8%
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 31, 2026
Retailer 8$2,908 NZD
Retailer 13$3,132 NZD
Retailer 16$3,254 NZD
Retailer 2$3,984 NZD
Retailer 3$4,462 NZD
Retailer 4$4,792 NZD
Retailer 11$5,410 NZD
Retailer 14$5,587 NZD
Retailer 15$6,814 NZD
Retailer 10$7,286 NZD
Retailer 9$7,755 NZD
Retailer 12$9,122 NZD
Retailer 6$9,928 NZD
Retailer 7$11,010 NZD
Retailer 5$11,393 NZD
Brilliant Earth$13,325 NZD

31 data points across 16 retailers

16 retailers$3,132 NZD to $13,325 NZD

Retailer 1
-
$2,908 NZD
$1,639 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$3,132 NZD
$1,765 USD
View
A
Retailer 3
-
$3,254 NZD
$1,834 USD
View
Final sale: no returns
A
Retailer 4
-
$3,984 NZD
£1,768 GBP
View
A
Retailer 5
-
$4,462 NZD
$2,515 USD
View
A
Retailer 6
-
$4,792 NZD
$2,701 USD
View
A
Retailer 7
-
$5,410 NZD
€2,904 EUR
View
A
Retailer 8
-
$5,587 NZD
$3,149 USD
View
A
Retailer 9
-
$6,814 NZD
£3,024 GBP
View
B+
Retailer 10
-
$7,286 NZD
ZAR 66,342 ZAR
View
B+
Retailer 11
-
$7,755 NZD
$4,371 USD
View
B+
Retailer 12
-
$9,122 NZD
£4,048 GBP
View
B+
Retailer 13
-
$9,928 NZD
$5,596 USD
View
Retailer 14
-
$11,010 NZD
$6,205 USD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
$11,393 NZD
SGD 8,677 SGD
View
Most Expensive
B
Brilliant Earth
21421918A · Oct 30
$13,325 NZD
$7,510 USD
View
15 more retailers have this diamond
Prices start from $3,132 NZDSave up to $10,193 NZD

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
$3,132 NZD