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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 $1,758 SGD
$1,372 USD
As of October 27, 2026
Save $12,456 SGD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $14,214 SGD at Brilliant Earth · As of October 28, 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 27, 2026, with prices from $1,758 to $14,214, a $12,456 spread on the same certified stone. Brilliant Earth lists it at $14,214. 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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Price History

Last verified: Oct 27
Current: $14,214 SGD|Low: $1,758 SGD|High: $14,278 SGD|Avg: $5,758 SGD|-0.4%
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 29, 2026
Retailer 6$1,758 SGD
Retailer 18$1,914 SGD
Retailer 15$2,040 SGD
Retailer 3$2,042 SGD
Retailer 13$2,262 SGD
Retailer 5$2,312 SGD
Retailer 2$2,878 SGD
Retailer 11$2,979 SGD
Retailer 8$3,223 SGD
Retailer 9$3,462 SGD
Retailer 16$3,823 SGD
Retailer 17$4,036 SGD
Retailer 12$5,263 SGD
Retailer 7$5,498 SGD
Retailer 14$6,563 SGD
Retailer 10$7,171 SGD
Retailer 19$7,172 SGD
Retailer 4$7,803 SGD
Brilliant Earth$14,214 SGD

32 data points across 19 retailers

19 retailers$1,758 SGD to $14,214 SGD

A
Cheapest Retailer
-
$1,758 SGD
$1,372 USD
A
Retailer 2
-
$1,914 SGD
$1,493 USD
View
A
Retailer 3
-
$2,040 SGD
$1,592 USD
View
A
Retailer 4
-
$2,042 SGD
$1,593 USD
View
Final sale: no returns
A
Retailer 5
-
$2,262 SGD
$1,765 USD
View
A
Retailer 6
-
$2,312 SGD
$1,804 USD
View
A
Retailer 7
-
$2,878 SGD
£1,768 GBP
View
Retailer 8
-
$2,979 SGD
$2,324 USD
View
Price last confirmed 18 days ago
A
Retailer 9
-
$3,223 SGD
$2,515 USD
View
A
Retailer 10
-
$3,462 SGD
$2,701 USD
View
A
Retailer 11
-
$3,823 SGD
$2,983 USD
View
B+
Retailer 12
-
$4,036 SGD
$3,149 USD
View
B+
Retailer 13
-
$5,263 SGD
ZAR 66,342 ZAR
View
B+
Retailer 14
-
$5,498 SGD
$4,290 USD
View
B+
Retailer 15
-
$6,563 SGD
£4,032 GBP
View
B+
Retailer 16
-
$7,171 SGD
View
B+
Retailer 17
-
$7,172 SGD
$5,596 USD
View
B+
Retailer 18
-
$7,803 SGD
$6,088 USD
View
Most Expensive
B
Brilliant Earth
21434147A · Oct 28
$14,214 SGD
$11,090 USD
View
18 more retailers have this diamond
Prices start from $1,758 SGDSave up to $12,456 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 Heart
$1,758 SGD