Heart|Lab Grown|IGI

3.00ct F SI2 Heart Lab Grown Diamond

ID • F/SI2 • IGI LG674515106

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG674515106

Diamond specifications and retailer prices

From $1,369 NZD
As of November 6, 2026
Save $538 NZD (28%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,404 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3ct lab-grown heart diamond

This 3ct lab-grown heart sits in the three to five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG674515106 or 674515106. Listed at 13 retailers as of October 31, 2026, with a 39% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.00
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle42.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674515106
Dimensions8.50 × 9.94 × 5.95 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.50 mm9.94 mm3.00 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674515106
Side View
Table 58.0%Crown 41.9°Girdle: MED-VTKPavilion 42.5°Culet: NoneDepth 59.9%

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 6
Current: $6,404 NZD|Low: $597 NZD|High: $6,602 NZD|Avg: $1,931 NZD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7$622 NZD
Retailer 10$696 NZD
Retailer 8$772 NZD
Retailer 9$1,241 NZD
Retailer 2$1,369 NZD
Retailer 4$1,382 NZD
Retailer 11$1,476 NZD
Retailer 3$1,651 NZD
Retailer 6$1,907 NZD
Retailer 5$3,018 NZD
Brilliant Earth$6,404 NZD

38 data points across 11 retailers

13 retailers$1,369 NZD to $1,907 NZD

Retailer 1
-
$622 NZD
Price last confirmed 10 days ago
Retailer 2
-
$722 NZD
View
Price last confirmed 9 days ago
Retailer 3
-
$772 NZD
View
Price last confirmed 12 days ago
Retailer 4
-
$772 NZD
View
Price last confirmed 12 days ago
Retailer 5
-
$1,241 NZD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$1,369 NZD
View
Retailer 7
-
$1,382 NZD
View
Price last confirmed 8 days ago
Retailer 8
-
$1,476 NZD
View
Price last confirmed 8 days ago
Retailer 9
-
$1,651 NZD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$1,907 NZD
View
Retailer 11
-
$2,480 NZD
View
Price last confirmed 8 days ago
Retailer 12
-
$3,018 NZD
View
Price last confirmed 11 days ago
Most Expensive
Brilliant Earth
15304575A · Oct 28
$6,404 NZD
$3,550 USD
View
Price last confirmed 8 days ago
12 more retailers have this diamond
Prices start from $1,369 NZDSave up to $538 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
3.00ct Heart
$1,369 NZD