CaratHunter
Plans
Heart|Lab Grown|IGI

1.01ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG620421919

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG620421919

Diamond specifications and retailer prices

From $633 NZD
As of November 5, 2026
Save $2,152 NZD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,963 NZD at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 1.01ct lab-grown heart diamond

This 1.01ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG620421919 or 620421919. Listed at 22 retailers as of November 3, 2026, with a 340% 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

1.01
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620421919
Dimensions6.24 × 6.81 × 4.02 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
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
6.24 mm6.81 mm1.01 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620421919
Side View
Table 57.0%Crown 34.9°Girdle: ThickPavilion 37.7°Culet: NoneDepth 59.0%

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 5
Current: $2,608 NZD|Low: $550 NZD|High: $4,293 NZD|Avg: $1,371 NZD|-39.3%
Brilliant Earth
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
November 5, 2026
Retailer 10$550 NZD
Retailer 14$633 NZD
Retailer 8$710 NZD
Retailer 9$710 NZD
Retailer 11$713 NZD
Retailer 5$937 NZD
Retailer 13$967 NZD
Retailer 6$1,045 NZD
Retailer 4$1,118 NZD
Retailer 18$1,128 NZD
Retailer 16$1,199 NZD
Retailer 2$1,228 NZD
Retailer 12$1,708 NZD
Retailer 15$1,731 NZD
Retailer 7$2,317 NZD
Retailer 3$2,500 NZD
Brilliant Earth$2,608 NZD
Retailer 17$2,785 NZD

34 data points across 18 retailers

22 retailers$633 NZD to $2,785 NZD

Retailer 1
-
$550 NZD
Price last confirmed 34 days ago
A
Retailer 2
-
$633 NZD
View
Final sale: no returns
Retailer 3
-
$665 NZD
View
Price last confirmed 37 days ago
Retailer 4
-
$710 NZD
View
Price last confirmed 33 days ago
Retailer 5
-
$710 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$713 NZD
View
A
Retailer 7
-
$937 NZD
View
A
Retailer 8
-
$967 NZD
View
B+
Retailer 9
-
$1,045 NZD
View
B+
Retailer 10
-
$1,118 NZD
View
B+
Retailer 11
-
$1,128 NZD
View
B+
Retailer 12
-
$1,199 NZD
View
B+
Retailer 13
-
$1,228 NZD
View
B+
Retailer 14
-
$1,708 NZD
View
B+
Retailer 15
-
$1,731 NZD
View
Retailer 16
-
$2,283 NZD
View
Price last confirmed 36 days ago
B
Retailer 17
-
$2,317 NZD
View
B
Retailer 18
-
$2,500 NZD
View
Retailer 19
-
$2,523 NZD
View
Price last confirmed 162 days ago
B
Retailer 20
-
$2,608 NZD
View
B
Retailer 21
-
$2,785 NZD
View
Most Expensive
Brilliant Earth
11259346A · Oct 27
$2,963 NZD
$1,670 USD
View
Price last confirmed 8 days ago
21 more retailers have this diamond
Prices start from $633 NZDSave up to $2,152 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
1.01ct Heart
$633 NZD