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Heart|Lab Grown|IGI

3.09ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG718506840

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG718506840

Diamond specifications and retailer prices

From $1,254 NZD
As of November 3, 2026
Save $6,395 NZD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,812 NZD at Queensmith · As of October 13, 2026
View at Queensmith

About this 3.09ct lab-grown heart diamond

This 3.09ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG718506840 or 718506840. Listed at 13 retailers as of November 2, 2026, with a 510% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.09
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG718506840
Dimensions8.88 × 10.36 × 5.86 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Top View
8.88 mm10.36 mm3.09 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG718506840
Side View
Table 62.0%Crown 34.3°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 56.6%

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 3
Current: $7,812 NZD|Low: $631 NZD|High: $10,535 NZD|Avg: $3,467 NZD
Queensmith
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 2, 2026
Retailer 5$635 NZD
Retailer 4$886 NZD
Retailer 17$1,254 NZD
Retailer 9$1,292 NZD
Retailer 12$1,382 NZD
Retailer 13$1,418 NZD
Retailer 8$1,780 NZD
Retailer 18$1,813 NZD
Retailer 15$2,053 NZD
Retailer 16$2,709 NZD
Retailer 2$2,872 NZD
Retailer 3$3,714 NZD
Retailer 6$3,781 NZD
Retailer 11$4,919 NZD
Retailer 10$5,107 NZD
Retailer 14$7,649 NZD
Queensmith$7,812 NZD
Retailer 7$10,535 NZD

18 data points across 18 retailers

13 retailers$1,254 NZD to $7,649 NZD

A
Cheapest Retailer
-
$1,254 NZD
A
Retailer 2
-
$1,382 NZD
View
B+
Retailer 3
-
$1,418 NZD
View
Retailer 4
-
$1,813 NZD
View
Price last confirmed 26 days ago
A
Retailer 5
-
$2,053 NZD
View
Retailer 6
-
$2,709 NZD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$2,872 NZD
View
Retailer 8
-
$3,714 NZD
View
Price last confirmed 26 days ago
Retailer 9
-
$3,781 NZD
View
Price last confirmed 26 days ago
B
Retailer 10
-
$4,919 NZD
View
Retailer 11
-
$5,107 NZD
View
Price last confirmed 126 days ago
B
Retailer 12
-
$7,649 NZD
View
Most Expensive
Queensmith
LG718506840 · Oct 13
$7,812 NZD
£3,410 GBP
View
Price last confirmed 24 days ago
12 more retailers have this diamond
Prices start from $1,254 NZDSave up to $6,395 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
3.09ct Heart
$1,254 NZD