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Heart|Lab Grown|IGI

2.78ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG825660142

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825660142

Diamond specifications and retailer prices

From $2,434 NZD
$1,372 USD
As of October 30, 2026
Save $11,139 NZD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $13,573 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.78ct lab-grown heart diamond

This 2.78ct lab-grown heart 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 LG825660142 or 825660142. Listed at 19 retailers as of October 30, 2026, with prices from $2,434 to $13,573, a $11,139 spread on the same certified stone. Brilliant Earth lists it at $13,573. 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 angle38.1°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825660142
Dimensions9.70 × 8.55 × 5.63 mm
L/W Ratio1.13
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
9.70 mm8.55 mm2.78 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825660142
Side View
Table 61.0%Crown 38.1°Girdle: Slightly ThickPavilion 37.4°Culet: NoneDepth 58.0%

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: Oct 30
Current: $13,573 NZD|Low: $2,434 NZD|High: $19,766 NZD|Avg: $7,899 NZD|-31.3%
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
October 30, 2026
Retailer 7$2,434 NZD
Retailer 19$2,649 NZD
Retailer 16$2,825 NZD
Retailer 4$2,826 NZD
Retailer 14$3,132 NZD
Retailer 6$3,201 NZD
Retailer 12$3,984 NZD
Retailer 11$4,123 NZD
Retailer 8$4,462 NZD
Retailer 9$4,792 NZD
Retailer 17$5,293 NZD
Retailer 18$5,587 NZD
Retailer 13$7,286 NZD
Retailer 2$7,615 NZD
Retailer 15$9,086 NZD
Retailer 10$9,927 NZD
Retailer 3$9,928 NZD
Retailer 5$10,802 NZD
Brilliant Earth$13,573 NZD

33 data points across 19 retailers

19 retailers$2,434 NZD to $13,573 NZD

A
Cheapest Retailer
-
$2,434 NZD
$1,372 USD
A
Retailer 2
-
$2,649 NZD
$1,493 USD
View
A
Retailer 3
-
$2,825 NZD
$1,592 USD
View
A
Retailer 4
-
$2,826 NZD
$1,593 USD
View
Final sale: no returns
A
Retailer 5
-
$3,132 NZD
$1,765 USD
View
A
Retailer 6
-
$3,201 NZD
$1,804 USD
View
A
Retailer 7
-
$3,984 NZD
£1,768 GBP
View
Retailer 8
-
$4,123 NZD
$2,324 USD
View
Price last confirmed 20 days ago
A
Retailer 9
-
$4,462 NZD
$2,515 USD
View
A
Retailer 10
-
$4,792 NZD
$2,701 USD
View
A
Retailer 11
-
$5,293 NZD
$2,983 USD
View
B+
Retailer 12
-
$5,587 NZD
$3,149 USD
View
B+
Retailer 13
-
$7,286 NZD
ZAR 66,342 ZAR
View
B+
Retailer 14
-
$7,615 NZD
$4,292 USD
View
B+
Retailer 15
-
$9,086 NZD
£4,032 GBP
View
B+
Retailer 16
-
$9,927 NZD
SGD 7,561 SGD
View
B+
Retailer 17
-
$9,928 NZD
$5,596 USD
View
B+
Retailer 18
-
$10,802 NZD
$6,088 USD
View
Most Expensive
B
Brilliant Earth
21434147A · Oct 30
$13,573 NZD
$7,650 USD
View
18 more retailers have this diamond
Prices start from $2,434 NZDSave up to $11,139 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 Heart
$2,434 NZD