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Heart|Lab Grown|IGI

1.55ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG631464178

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG631464178

Diamond specifications and retailer prices

From $340 SGD
As of November 4, 2026
Save $1,779 SGD (84%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,473 SGD at Queensmith · As of October 27, 2026
View at Queensmith

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG631464178 or 631464178. Listed at 25 retailers as of October 30, 2026, with a 523% 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631464178
Dimensions6.97 × 8.06 × 4.77 mm
L/W Ratio1.16
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
6.97 mm8.06 mm1.55 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631464178
Side View
Table 62.0%Crown 35.1°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 59.2%

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: Nov 4
Current: $794 SGD|Low: $330 SGD|High: $2,607 SGD|Avg: $1,046 SGD|-0.3%
Retailer 1
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Retailer 22
November 5, 2026
Retailer 5$340 SGD
Retailer 8$380 SGD
Retailer 2$394 SGD
Retailer 4$422 SGD
Retailer 9$422 SGD
Retailer 10$569 SGD
Retailer 22$626 SGD
Retailer 19$726 SGD
Retailer 1$794 SGD
Retailer 21$820 SGD
Retailer 7$854 SGD
Retailer 3$907 SGD
Retailer 18$985 SGD
Retailer 16$1,024 SGD
Retailer 17$1,295 SGD
Retailer 6$1,355 SGD
Retailer 14$1,418 SGD
Retailer 13$1,622 SGD
Retailer 12$1,682 SGD
Retailer 11$1,793 SGD
Retailer 20$2,119 SGD
Retailer 15$2,607 SGD

41 data points across 22 retailers

25 retailers$340 SGD to $2,119 SGD

A
Cheapest Retailer
-
$340 SGD
A
Retailer 2
-
$380 SGD
View
Final sale: no returns
A
Retailer 3
-
$394 SGD
View
A
Retailer 4
-
$422 SGD
View
Retailer 5
-
$422 SGD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$569 SGD
View
A
Retailer 7
-
$626 SGD
View
A
Retailer 8
-
$726 SGD
View
B+
Retailer 9
-
$794 SGD
View
B+
Retailer 10
-
$820 SGD
View
B+
Retailer 11
-
$854 SGD
View
B+
Retailer 12
-
$907 SGD
View
B+
Retailer 13
-
$985 SGD
View
B+
Retailer 14
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$1,024 SGD
View
B+
Retailer 15
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$1,080 SGD
View
B+
Retailer 16
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$1,295 SGD
View
B
Retailer 17
-
$1,355 SGD
View
B
Retailer 18
-
$1,365 SGD
View
B
Retailer 19
-
$1,418 SGD
View
Retailer 20
-
$1,622 SGD
View
Price last confirmed 10 days ago
B+
Retailer 21
-
$1,682 SGD
View
B
Retailer 22
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$1,793 SGD
View
B
Retailer 23
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$2,119 SGD
View
Retailer 24
-
$2,607 SGD
View
Price last confirmed 9 days ago
Most Expensive
Queensmith
LG631464178 · Oct 27
$3,473 SGD
£2,140 GBP
View
Price last confirmed 8 days ago
24 more retailers have this diamond
Prices start from $340 SGDSave up to $1,779 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
$340 SGD