Heart|Lab Grown|IGI

12.03ct G VS2 Heart Lab Grown Diamond

VG • G/VS2 • IGI LG683584066

Shape and cutting style on the report: Heart modified brilliant

Certificate IGI LG683584066

Diamond specifications and retailer prices

From $6,317 NZD
$3,560 USD
As of November 1, 2026
Save $14,711 NZD (70%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $21,028 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.03ct lab-grown heart diamond

This 12.03ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG683584066 or 683584066. Listed at 6 retailers as of October 31, 2026, with prices from $6,317 to $21,028, a $14,711 spread on the same certified stone. Taylor and Hart lists it at $21,028. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

12.03
Carat
G
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683584066
Dimensions13.11 × 14.95 × 8.51 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.11 mm14.95 mm12.03 ctG / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683584066
Side View
Table 66.0%Crown 43.4°Girdle: MED-STKPavilion 32.4°Culet: NoneDepth 56.9%

Caratlytics Score

How it works →
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 1
Current: $8,157 NZD|Low: $6,180 NZD|High: $21,028 NZD|Avg: $10,029 NZD|-4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Taylor and Hart
November 2, 2026
Retailer 7$6,180 NZD
Retailer 3$6,317 NZD
Retailer 6$6,971 NZD
Retailer 1$8,157 NZD
Retailer 2$9,382 NZD
Retailer 8$9,393 NZD
Retailer 4$15,154 NZD
Retailer 5$15,163 NZD
Taylor and Hart$21,028 NZD

11 data points across 9 retailers

6 retailers$6,317 NZD to $21,028 NZD

A
Cheapest Retailer
-
$6,317 NZD
$3,560 USD
A
Retailer 2
-
$8,157 NZD
£3,620 GBP
View
B+
Retailer 3
-
$9,382 NZD
$5,288 USD
View
B
Retailer 4
-
$15,154 NZD
$8,541 USD
View
B
Retailer 5
-
$15,163 NZD
$8,546 USD
View
Most Expensive
B
Taylor and Hart
NR51XYH · Oct 31
$21,028 NZD
$11,851 USD
View
5 more retailers have this diamond
Prices start from $6,317 NZDSave up to $14,711 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
12.03ct Heart
$6,317 NZD