CaratHunter
Plans
Heart|Lab Grown|IGI

4.00ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG843670792

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG843670792

Diamond specifications and retailer prices

From $5,667 NZD
£2,515 GBP
As of November 1, 2026
Save $36,718 NZD (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $42,385 NZD at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

About this 4ct lab-grown heart diamond

This 4ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843670792 or 843670792. Listed at 12 retailers as of November 1, 2026, with prices from $5,667 to $42,385, a $36,718 spread on the same certified stone. Novita Diamonds lists it at $42,385. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.00
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843670792
Dimensions10.05 × 10.71 × 6.52 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
10.05 mm10.71 mm4.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843670792
Side View
Table 55.0%Crown 35°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A+
Exceptional
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 1
Current: $42,385 NZD|Low: $5,667 NZD|High: $42,385 NZD|Avg: $17,633 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
Retailer 13
November 1, 2026
Retailer 7$5,667 NZD
Retailer 11$6,450 NZD
Retailer 9$7,248 NZD
Retailer 13$8,856 NZD
Retailer 12$9,579 NZD
Retailer 10$11,092 NZD
Retailer 6$14,649 NZD
Retailer 2$17,245 NZD
Retailer 4$17,823 NZD
Retailer 8$23,101 NZD
Retailer 3$36,551 NZD
Retailer 5$36,833 NZD
Novita Diamonds$42,385 NZD

17 data points across 13 retailers

12 retailers$5,667 NZD to $42,385 NZD

A+
Cheapest Retailer
-
$5,667 NZD
£2,515 GBP
A
Retailer 2
-
$6,450 NZD
$3,635 USD
View
A
Retailer 3
-
$7,248 NZD
$4,085 USD
View
A
Retailer 4
-
$8,856 NZD
$4,991 USD
View
A
Retailer 5
-
$9,579 NZD
$5,399 USD
View
A
Retailer 6
-
$11,092 NZD
€5,954 EUR
View
A
Retailer 7
-
$14,649 NZD
A$12,702 AUD
View
B+
Retailer 8
-
$17,245 NZD
£7,653 GBP
View
Retailer 9
-
$17,823 NZD
$10,045 USD
View
Price last confirmed 16 days ago
B+
Retailer 10
-
$23,101 NZD
$13,020 USD
View
B
Retailer 11
-
$36,551 NZD
$20,600 USD
View
Most Expensive
B
Novita Diamonds
cert_843670792 · Nov 1
$42,385 NZD
A$36,751 AUD
View
11 more retailers have this diamond
Prices start from $5,667 NZDSave up to $36,718 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+
4.00ct Heart
$5,667 NZD