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Heart|Lab Grown|IGI

1.55ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG843604947

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG843604947

Diamond specifications and retailer prices

From $685 SGD
£422 GBP
As of November 2, 2026
Save $3,766 SGD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,451 SGD at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

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 LG843604947 or 843604947. Listed at 12 retailers as of October 31, 2026, with prices from $685 to $4,451, a $3,766 spread on the same certified stone. Novita Diamonds lists it at $4,451. 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 angle36.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843604947
Dimensions7.65 × 7.16 × 4.87 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
7.65 mm7.16 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843604947
Side View
Table 59.0%Crown 36.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.7%

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 2
Current: $4,451 SGD|Low: $685 SGD|High: $8,605 SGD|Avg: $1,936 SGD
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 2$685 SGD
Retailer 8$844 SGD
Retailer 11$937 SGD
Retailer 5$1,056 SGD
Retailer 4$1,099 SGD
Retailer 7$1,509 SGD
Retailer 3$1,569 SGD
Retailer 9$1,722 SGD
Retailer 12$2,536 SGD
Retailer 6$3,605 SGD
Retailer 10$4,206 SGD
Novita Diamonds$4,451 SGD

16 data points across 12 retailers

12 retailers$685 SGD to $4,451 SGD

A
Cheapest Retailer
-
$685 SGD
£422 GBP
A
Retailer 2
-
$844 SGD
$660 USD
View
A
Retailer 3
-
$937 SGD
$733 USD
View
A
Retailer 4
-
$1,056 SGD
€787 EUR
View
A
Retailer 5
-
$1,099 SGD
$860 USD
View
B+
Retailer 6
-
$1,509 SGD
A$1,816 AUD
View
B+
Retailer 7
-
$1,569 SGD
$1,228 USD
View
B+
Retailer 8
-
$1,722 SGD
$1,347 USD
View
B
Retailer 9
-
$2,536 SGD
£1,562 GBP
View
B
Retailer 10
-
$3,605 SGD
$2,820 USD
View
B
Retailer 11
-
$4,206 SGD
$3,290 USD
View
Most Expensive
B
Novita Diamonds
cert_843604947 · Oct 31
$4,451 SGD
A$5,357 AUD
View
11 more retailers have this diamond
Prices start from $685 SGDSave up to $3,766 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
$685 SGD