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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 $953 NZD
£422 GBP
As of November 2, 2026
Save $5,236 NZD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,189 NZD 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 $953 to $6,189, a $5,236 spread on the same certified stone. Novita Diamonds lists it at $6,189. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $6,189 NZD|Low: $953 NZD|High: $11,963 NZD|Avg: $2,691 NZD
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$953 NZD
Retailer 8$1,173 NZD
Retailer 11$1,303 NZD
Retailer 5$1,469 NZD
Retailer 4$1,528 NZD
Retailer 7$2,098 NZD
Retailer 3$2,182 NZD
Retailer 9$2,394 NZD
Retailer 12$3,526 NZD
Retailer 6$5,012 NZD
Retailer 10$5,847 NZD
Novita Diamonds$6,189 NZD

16 data points across 12 retailers

12 retailers$953 NZD to $6,189 NZD

A
Cheapest Retailer
-
$953 NZD
£422 GBP
A
Retailer 2
-
$1,173 NZD
$660 USD
View
A
Retailer 3
-
$1,303 NZD
$733 USD
View
A
Retailer 4
-
$1,469 NZD
€787 EUR
View
A
Retailer 5
-
$1,528 NZD
$860 USD
View
A
Retailer 6
-
$2,098 NZD
A$1,816 AUD
View
B+
Retailer 7
-
$2,182 NZD
$1,228 USD
View
B+
Retailer 8
-
$2,394 NZD
$1,347 USD
View
B
Retailer 9
-
$3,526 NZD
£1,562 GBP
View
B
Retailer 10
-
$5,012 NZD
$2,820 USD
View
B
Retailer 11
-
$5,847 NZD
$3,290 USD
View
Most Expensive
B
Novita Diamonds
cert_843604947 · Oct 31
$6,189 NZD
A$5,357 AUD
View
11 more retailers have this diamond
Prices start from $953 NZDSave up to $5,236 NZD

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
$953 NZD