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Heart|Lab Grown|IGI

1.55ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG665445007

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG665445007

Diamond specifications and retailer prices

From $351 SGD
As of November 6, 2026
Save $1,365 SGD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,679 SGD at Brilliant Earth · As of October 25, 2026
View at Brilliant Earth

About this 1.55ct lab-grown heart diamond

This 1.55ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG665445007 or 665445007. Listed at 24 retailers as of November 6, 2026, with a 389% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665445007
Dimensions7.28 × 7.77 × 4.68 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
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
7.28 mm7.77 mm1.55 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665445007
Side View
Table 57.0%Crown 36.7°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 60.2%

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: Nov 6
Current: $2,679 SGD|Low: $351 SGD|High: $2,679 SGD|Avg: $998 SGD
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
November 7, 2026
Retailer 4$351 SGD
Retailer 13$434 SGD
Retailer 8$442 SGD
Retailer 6$525 SGD
Retailer 16$642 SGD
Retailer 15$661 SGD
Retailer 18$705 SGD
Retailer 19$713 SGD
Retailer 11$718 SGD
Retailer 14$732 SGD
Retailer 2$829 SGD
Retailer 17$914 SGD
Retailer 9$1,259 SGD
Retailer 5$1,260 SGD
Retailer 3$1,320 SGD
Retailer 10$1,417 SGD
Retailer 12$1,556 SGD
Retailer 7$1,716 SGD
Brilliant Earth$2,679 SGD

31 data points across 19 retailers

24 retailers$351 SGD to $1,716 SGD

A
Cheapest Retailer
-
$351 SGD
Final sale: no returns
Retailer 2
-
$381 SGD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$434 SGD
View
Retailer 4
-
$442 SGD
View
Price last confirmed 39 days ago
A
Retailer 5
-
$442 SGD
View
Retailer 6
-
$472 SGD
View
Price last confirmed 23 days ago
Retailer 7
-
$472 SGD
View
Price last confirmed 22 days ago
B+
Retailer 8
-
$525 SGD
View
A
Retailer 9
-
$642 SGD
View
A
Retailer 10
-
$661 SGD
View
B+
Retailer 11
-
$705 SGD
View
B+
Retailer 12
-
$713 SGD
View
Retailer 13
-
$718 SGD
View
Price last confirmed 15 days ago
A
Retailer 14
-
$732 SGD
View
B+
Retailer 15
-
$829 SGD
View
B+
Retailer 16
-
$914 SGD
View
B
Retailer 17
-
$1,259 SGD
View
B+
Retailer 18
-
$1,260 SGD
View
B
Retailer 19
-
$1,320 SGD
View
B
Retailer 20
-
$1,417 SGD
View
Retailer 21
-
$1,517 SGD
View
Price last confirmed 22 days ago
B
Retailer 22
-
$1,556 SGD
View
B
Retailer 23
-
$1,716 SGD
View
Most Expensive
Brilliant Earth
18970826A · Oct 25
$2,679 SGD
$2,090 USD
View
Price last confirmed 12 days ago
23 more retailers have this diamond
Prices start from $351 SGDSave up to $1,365 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
1.55ct Heart
$351 SGD