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Heart|Lab Grown|IGI

3.78ct E VVS2 Heart Lab Grown Diamond

ID • E/VVS2 • IGI LG770665521

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG770665521

Diamond specifications and retailer prices

From $769 SGD
$600 USD
As of October 27, 2026
Save $9,959 SGD (93%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $10,728 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.78ct lab-grown heart diamond

This 3.78ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG770665521 or 770665521. Listed at 22 retailers as of October 27, 2026, with prices from $769 to $10,728, a $9,959 spread on the same certified stone. Brilliant Earth lists it at $10,728. 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

3.78
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770665521
Dimensions9.73 × 10.66 × 6.41 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.73 mm10.66 mm3.78 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770665521
Side View
Table 57.0%Crown 33.9°Girdle: MED-STKPavilion 42.2°Culet: NoneDepth 60.1%

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 27
Current: $10,728 SGD|Low: $759 SGD|High: $11,074 SGD|Avg: $2,561 SGD|-3.1%
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
October 29, 2026
Retailer 6$769 SGD
Retailer 11$897 SGD
Retailer 2$954 SGD
Retailer 10$981 SGD
Retailer 9$1,134 SGD
Retailer 18$1,262 SGD
Retailer 15$1,339 SGD
Retailer 12$1,488 SGD
Retailer 13$1,646 SGD
Retailer 16$2,072 SGD
Retailer 7$2,084 SGD
Retailer 8$2,131 SGD
Retailer 3$2,467 SGD
Retailer 17$2,510 SGD
Retailer 4$3,045 SGD
Retailer 5$3,085 SGD
Retailer 14$4,164 SGD
Brilliant Earth$10,728 SGD

33 data points across 18 retailers

22 retailers$769 SGD to $10,728 SGD

A
Cheapest Retailer
-
$769 SGD
$600 USD
A
Retailer 2
-
$897 SGD
$700 USD
View
Final sale: no returns
A
Retailer 3
-
$954 SGD
$744 USD
View
A
Retailer 4
-
$968 SGD
$755 USD
View
Price last confirmed 34 days ago
A
Retailer 5
-
$981 SGD
$765 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,134 SGD
$885 USD
View
B+
Retailer 7
-
$1,262 SGD
$985 USD
View
A
Retailer 8
-
$1,339 SGD
$1,045 USD
View
A
Retailer 9
-
$1,488 SGD
£914 GBP
View
A
Retailer 10
-
$1,646 SGD
€1,223 EUR
View
A
Retailer 11
-
$2,072 SGD
ZAR 26,117 ZAR
View
A
Retailer 12
-
$2,084 SGD
A$2,501 AUD
View
Price last confirmed 9 days ago
A
Retailer 13
-
$2,131 SGD
$1,663 USD
View
B+
Retailer 14
-
$2,467 SGD
$1,925 USD
View
B+
Retailer 15
-
$2,510 SGD
$1,958 USD
View
B+
Retailer 16
-
$2,858 SGD
$2,230 USD
View
B+
Retailer 17
-
$2,895 SGD
A$3,475 AUD
View
Price last confirmed 154 days ago
B+
Retailer 18
-
$3,045 SGD
$2,376 USD
View
B+
Retailer 19
-
$3,085 SGD
$2,407 USD
View
B+
Retailer 20
-
$3,243 SGD
$2,530 USD
View
B+
Retailer 21
-
$4,164 SGD
£2,558 GBP
View
Most Expensive
B
Brilliant Earth
17548752A · Oct 29
$10,728 SGD
$8,370 USD
View
21 more retailers have this diamond
Prices start from $769 SGDSave up to $9,959 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
3.78ct Heart
$769 SGD