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Heart|Lab Grown|IGI

1.55ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG837615555

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837615555

Diamond specifications and retailer prices

From $529 SGD
$414 USD
As of October 30, 2026
Save $3,101 SGD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,631 SGD at Brilliant Earth · As of October 31, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837615555 or 837615555. Listed at 19 retailers as of October 30, 2026, with prices from $529 to $3,631, a $3,101 spread on the same certified stone. Brilliant Earth lists it at $3,631. 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 angle37.2°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837615555
Dimensions7.41 × 7.92 × 4.58 mm
L/W Ratio1.07
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
7.41 mm7.92 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837615555
Side View
Table 59.0%Crown 37.2°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 57.8%

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: $3,631 SGD|Low: $476 SGD|High: $3,631 SGD|Avg: $1,101 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 1, 2026
Retailer 6$476 SGD
Retailer 3$529 SGD
Retailer 11$542 SGD
Retailer 9$589 SGD
Retailer 10$598 SGD
Retailer 12$622 SGD
Retailer 19$638 SGD
Retailer 17$786 SGD
Retailer 15$793 SGD
Retailer 14$930 SGD
Retailer 4$1,011 SGD
Retailer 13$1,054 SGD
Retailer 18$1,365 SGD
Retailer 16$1,726 SGD
Retailer 5$1,866 SGD
Retailer 7$1,896 SGD
Retailer 8$2,056 SGD
Retailer 2$2,299 SGD
Brilliant Earth$3,631 SGD

23 data points across 19 retailers

19 retailers$529 SGD to $3,631 SGD

Retailer 1
-
$476 SGD
$372 USD
Price last confirmed 15 days ago
A
Retailer 2
-
$529 SGD
$414 USD
View
Final sale: no returns
Retailer 3
-
$542 SGD
$424 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$589 SGD
$461 USD
View
Price last confirmed 16 days ago
Retailer 5
-
$598 SGD
$468 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$622 SGD
£383 GBP
View
A
Retailer 7
-
$638 SGD
HK$3,900 HKD
View
A
Retailer 8
-
$786 SGD
$615 USD
View
A
Retailer 9
-
$793 SGD
$620 USD
View
A
Retailer 10
-
$930 SGD
€693 EUR
View
A
Retailer 11
-
$1,011 SGD
ZAR 12,775 ZAR
View
A
Retailer 12
-
$1,054 SGD
£649 GBP
View
A
Retailer 13
-
$1,365 SGD
A$1,643 AUD
View
B+
Retailer 14
-
$1,726 SGD
$1,350 USD
View
B+
Retailer 15
-
$1,866 SGD
View
Retailer 16
-
$1,896 SGD
$1,483 USD
View
Price last confirmed 15 days ago
B+
Retailer 17
-
$2,056 SGD
$1,608 USD
View
B+
Retailer 18
-
$2,299 SGD
£1,416 GBP
View
Most Expensive
B
Brilliant Earth
21573871A · Oct 31
$3,631 SGD
$2,840 USD
View
18 more retailers have this diamond
Prices start from $529 SGDSave up to $3,101 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
$529 SGD