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Heart|Lab Grown|IGI

3.03ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG674508970

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG674508970

Diamond specifications and retailer prices

From $1,485 NZD
As of November 4, 2026
Save $752 NZD (34%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,636 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.03ct lab-grown heart diamond

This 3.03ct lab-grown heart sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG674508970 or 674508970. Listed at 15 retailers as of October 31, 2026, with a 51% 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

3.03
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.1°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674508970
Dimensions9.07 × 10.03 × 5.68 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.07 mm10.03 mm3.03 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG674508970
Side View
Table 62.0%Crown 38.1°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 56.6%

Caratlytics Score

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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 4
Current: $4,636 NZD|Low: $722 NZD|High: $4,780 NZD|Avg: $1,857 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
November 4, 2026
Retailer 9$752 NZD
Retailer 3$842 NZD
Retailer 10$933 NZD
Retailer 6$1,200 NZD
Retailer 8$1,254 NZD
Retailer 11$1,476 NZD
Retailer 2$1,485 NZD
Retailer 4$1,533 NZD
Retailer 7$2,237 NZD
Retailer 5$3,442 NZD
Brilliant Earth$4,636 NZD

40 data points across 11 retailers

15 retailers$1,485 NZD to $2,237 NZD

Retailer 1
-
$752 NZD
Price last confirmed 8 days ago
Retailer 2
-
$842 NZD
View
Price last confirmed 10 days ago
Retailer 3
-
$933 NZD
View
Price last confirmed 13 days ago
Retailer 4
-
$933 NZD
View
Price last confirmed 9 days ago
Retailer 5
-
$1,200 NZD
View
Price last confirmed 7 days ago
Retailer 6
-
$1,254 NZD
View
Price last confirmed 8 days ago
Retailer 7
-
$1,476 NZD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$1,485 NZD
View
Retailer 9
-
$1,533 NZD
View
Price last confirmed 8 days ago
Retailer 10
-
$1,858 NZD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$2,237 NZD
View
Retailer 12
-
$2,996 NZD
View
Price last confirmed 9 days ago
Retailer 13
-
$3,058 NZD
View
Price last confirmed 9 days ago
Retailer 14
-
$3,442 NZD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
14085720A · Oct 30
$4,636 NZD
$2,570 USD
View
Price last confirmed 7 days ago
14 more retailers have this diamond
Prices start from $1,485 NZDSave up to $752 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
3.03ct Heart
$1,485 NZD