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Heart|Lab Grown|IGI

1.59ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG807658868

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG807658868

Diamond specifications and retailer prices

From $981 NZD
£435 GBP
As of November 1, 2026
Save $5,034 NZD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,407 NZD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 1.59ct lab-grown heart diamond

This 1.59ct 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 LG807658868 or 807658868. Listed at 16 retailers as of October 31, 2026, with a 513% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807658868
Dimensions7.53 × 7.53 × 4.57 mm
L/W Ratio1.00
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
7.53 mm7.53 mm1.59 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807658868
Side View
Table 60.0%Crown 37.4°Girdle: MED-STKPavilion 38°Culet: NoneDepth 56.4%

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: $6,407 NZD|Low: $478 NZD|High: $6,458 NZD|Avg: $2,390 NZD|+2.6%
Novita Diamonds
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
Retailer 20
Retailer 21
Retailer 22
November 1, 2026
Retailer 11$478 NZD
Retailer 12$538 NZD
Retailer 2$981 NZD
Retailer 19$985 NZD
Retailer 3$1,036 NZD
Retailer 4$1,118 NZD
Retailer 10$1,384 NZD
Retailer 6$1,407 NZD
Retailer 16$1,416 NZD
Retailer 9$1,469 NZD
Retailer 21$1,590 NZD
Retailer 8$2,036 NZD
Retailer 17$2,160 NZD
Retailer 20$2,358 NZD
Retailer 5$2,565 NZD
Retailer 14$2,761 NZD
Retailer 18$3,425 NZD
Retailer 15$3,474 NZD
Retailer 7$3,701 NZD
Retailer 13$5,660 NZD
Retailer 22$6,015 NZD
Novita Diamonds$6,407 NZD

30 data points across 22 retailers

16 retailers$981 NZD to $6,015 NZD

A
Cheapest Retailer
-
$981 NZD
£435 GBP
A
Retailer 2
-
$985 NZD
$555 USD
View
A
Retailer 3
-
$1,036 NZD
$584 USD
View
A
Retailer 4
-
$1,118 NZD
$630 USD
View
Retailer 5
-
$1,407 NZD
$793 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$1,416 NZD
€760 EUR
View
Retailer 7
-
$1,590 NZD
$896 USD
View
Price last confirmed 11 days ago
A
Retailer 8
-
$2,036 NZD
$1,147 USD
View
B+
Retailer 9
-
$2,160 NZD
A$1,873 AUD
View
B+
Retailer 10
-
$2,358 NZD
$1,329 USD
View
B+
Retailer 11
-
$2,565 NZD
CA$2,008 CAD
View
B+
Retailer 12
-
$3,425 NZD
£1,520 GBP
View
B
Retailer 13
-
$3,701 NZD
$2,086 USD
View
B
Retailer 14
-
$5,660 NZD
$3,190 USD
View
B
Retailer 15
-
$6,015 NZD
$3,390 USD
View
Most Expensive
Novita Diamonds
cert_807658868 · Oct 8
$6,407 NZD
A$5,555 AUD
View
Price last confirmed 24 days ago
15 more retailers have this diamond
Prices start from $981 NZDSave up to $5,034 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
1.59ct Heart
$981 NZD