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Heart|Lab Grown|IGI

1.05ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG843676289

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG843676289

Diamond specifications and retailer prices

From $316 NZD
As of November 3, 2026
Save $873 NZD (73%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,189 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.05ct lab-grown heart diamond

This 1.05ct lab-grown heart sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843676289 or 843676289. Listed at 3 retailers as of November 3, 2026, with prices from $316 to $1,189, a $873 spread on the same certified stone. Brilliant Earth lists it at $1,189. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843676289
Dimensions6.10 × 6.97 × 4.29 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.10 mm6.97 mm1.05 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843676289
Side View
Table 59.0%Crown 35.2°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: $1,189 NZD|Low: $316 NZD|High: $1,189 NZD|Avg: $757 NZD
Brilliant Earth
Retailer 2
Retailer 3
November 5, 2026
Retailer 3$316 NZD
Retailer 2$635 NZD
Brilliant Earth$1,189 NZD

24 data points across 3 retailers

3 retailers$316 NZD to $1,189 NZD

A
Cheapest Retailer
-
$316 NZD
Final sale: no returns
B+
Retailer 2
-
$635 NZD
View
Most Expensive
B
Brilliant Earth
21815979A · Nov 4
$1,189 NZD
$670 USD
View
2 more retailers have this diamond
Prices start from $316 NZDSave up to $873 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
1.05ct Heart
$316 NZD