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Heart|Lab Grown|IGI

1.55ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG660483509

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG660483509

Diamond specifications and retailer prices

From $639 SGD
$500 USD
As of October 30, 2026
Save $2,686 SGD (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,325 SGD at MOH London · As of October 29, 2026
View at MOH London

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG660483509 or 660483509. Listed at 24 retailers as of October 29, 2026, with prices from $639 to $3,325, a $2,686 spread on the same certified stone. MOH London lists it at $3,325. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660483509
Dimensions7.88 × 7.24 × 4.66 mm
L/W Ratio1.09
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
7.88 mm7.24 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660483509
Side View
Table 58.0%Crown 37.3°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 59.1%

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 30
Current: $3,325 SGD|Low: $614 SGD|High: $3,348 SGD|Avg: $1,560 SGD|-0.5%
MOH London
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
November 1, 2026
Retailer 15$639 SGD
Retailer 8$715 SGD
Retailer 3$793 SGD
Retailer 5$793 SGD
Retailer 10$972 SGD
Retailer 7$1,090 SGD
Retailer 14$1,144 SGD
Retailer 9$1,297 SGD
Retailer 2$1,318 SGD
Retailer 12$1,361 SGD
Retailer 11$1,845 SGD
Retailer 13$2,044 SGD
Retailer 4$2,084 SGD
Retailer 6$2,513 SGD
Retailer 16$2,963 SGD
MOH London$3,325 SGD

45 data points across 16 retailers

24 retailers$639 SGD to $3,325 SGD

Retailer 1
-
$639 SGD
$500 USD
Price last confirmed 32 days ago
A
Retailer 2
-
$639 SGD
$500 USD
View
A
Retailer 3
-
$715 SGD
$559 USD
View
Final sale: no returns
Retailer 4
-
$716 SGD
$560 USD
View
Price last confirmed 33 days ago
Retailer 5
-
$782 SGD
$612 USD
View
Price last confirmed 35 days ago
A
Retailer 6
-
$793 SGD
$620 USD
View
Retailer 7
-
$793 SGD
$620 USD
View
Price last confirmed 16 days ago
A
Retailer 8
-
$867 SGD
HK$5,300 HKD
View
A
Retailer 9
-
$972 SGD
$760 USD
View
A
Retailer 10
-
$1,090 SGD
$853 USD
View
A
Retailer 11
-
$1,144 SGD
$895 USD
View
A
Retailer 12
-
$1,297 SGD
€966 EUR
View
A
Retailer 13
-
$1,318 SGD
£812 GBP
View
A
Retailer 14
-
$1,361 SGD
ZAR 17,205 ZAR
View
A
Retailer 15
-
$1,438 SGD
$1,125 USD
View
B+
Retailer 16
-
$1,845 SGD
A$2,220 AUD
View
B+
Retailer 17
-
$2,044 SGD
$1,599 USD
View
B+
Retailer 18
-
$2,084 SGD
$1,630 USD
View
B
Retailer 19
-
$2,513 SGD
View
B
Retailer 20
-
$2,580 SGD
$2,018 USD
View
B
Retailer 21
-
$2,749 SGD
$2,150 USD
View
B
Retailer 22
-
$2,963 SGD
$2,318 USD
View
B
Retailer 23
-
$2,965 SGD
$2,319 USD
View
Most Expensive
B
MOH London
LG660483509 · Oct 29
$3,325 SGD
£2,048 GBP
View
23 more retailers have this diamond
Prices start from $639 SGDSave up to $2,686 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
$639 SGD