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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 $536 USD
£422 GBP
As of November 1, 2026
Save $2,946 USD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,482 USD 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 $536 to $3,482, a $2,946 spread on the same certified stone. Novita Diamonds lists it at $3,482. 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
Color
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 1
Current: $3,482 USD|Low: $536 USD|High: $6,731 USD|Avg: $1,509 USD
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 1, 2026
Retailer 2$536 USD
Retailer 8$660 USD
Retailer 11$733 USD
Retailer 5$826 USD
Retailer 4$860 USD
Retailer 7$1,180 USD
Retailer 3$1,228 USD
Retailer 9$1,347 USD
Retailer 12$1,984 USD
Retailer 6$2,820 USD
Retailer 10$3,290 USD
Novita Diamonds$3,482 USD

15 data points across 12 retailers

12 retailers$536 USD to $3,482 USD

A
Cheapest Retailer
-
$536 USD
£422 GBP
A
Retailer 2
-
$660 USD
View
A
Retailer 3
-
$733 USD
View
A
Retailer 4
-
$826 USD
€787 EUR
View
A
Retailer 5
-
$860 USD
View
B+
Retailer 6
-
$1,180 USD
A$1,816 AUD
View
B+
Retailer 7
-
$1,228 USD
View
B+
Retailer 8
-
$1,347 USD
View
B
Retailer 9
-
$1,984 USD
£1,562 GBP
View
B
Retailer 10
-
$2,820 USD
View
B
Retailer 11
-
$3,290 USD
View
Most Expensive
B
Novita Diamonds
cert_843604947 · Oct 31
$3,482 USD
A$5,357 AUD
View
11 more retailers have this diamond
Prices start from $536 USDSave up to $2,946 USD

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
$536 USD