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Heart|Lab Grown|IGI

3.31ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG717571426

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG717571426

Diamond specifications and retailer prices

From $1,068 NZD
$602 USD
As of October 31, 2026
Save $5,976 NZD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,044 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.31ct lab-grown heart diamond

This 3.31ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG717571426 or 717571426. Listed at 15 retailers as of October 30, 2026, with prices from $1,068 to $7,044, a $5,976 spread on the same certified stone. Brilliant Earth lists it at $7,044. 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

3.31
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717571426
Dimensions9.14 × 10.17 × 6.06 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
9.14 mm10.17 mm3.31 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717571426
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 59.6%

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: Oct 31
Current: $7,044 NZD|Low: $701 NZD|High: $7,825 NZD|Avg: $3,254 NZD
Brilliant Earth
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
October 31, 2026
Retailer 5$1,068 NZD
Retailer 11$1,419 NZD
Retailer 13$1,588 NZD
Retailer 8$1,682 NZD
Retailer 2$1,827 NZD
Retailer 16$2,431 NZD
Retailer 9$2,498 NZD
Retailer 10$2,570 NZD
Retailer 3$2,695 NZD
Retailer 15$3,054 NZD
Retailer 14$3,809 NZD
Retailer 6$3,842 NZD
Retailer 4$3,893 NZD
Retailer 12$4,946 NZD
Brilliant Earth$7,044 NZD
Retailer 7$7,825 NZD

23 data points across 16 retailers

15 retailers$1,068 NZD to $7,044 NZD

A
Cheapest Retailer
-
$1,068 NZD
$602 USD
Final sale: no returns
A
Retailer 2
-
$1,419 NZD
$800 USD
View
B+
Retailer 3
-
$1,588 NZD
$895 USD
View
A
Retailer 4
-
$1,827 NZD
£811 GBP
View
A
Retailer 5
-
$2,431 NZD
A$2,108 AUD
View
A
Retailer 6
-
$2,498 NZD
A$2,166 AUD
View
A
Retailer 7
-
$2,570 NZD
ZAR 23,396 ZAR
View
B+
Retailer 8
-
$2,695 NZD
$1,519 USD
View
B+
Retailer 9
-
$3,054 NZD
$1,721 USD
View
B+
Retailer 10
-
$3,809 NZD
$2,147 USD
View
B+
Retailer 11
-
$3,842 NZD
$2,165 USD
View
B+
Retailer 12
-
$3,893 NZD
$2,194 USD
View
Retailer 13
-
$4,504 NZD
A$3,905 AUD
View
Price last confirmed 119 days ago
B
Retailer 14
-
$4,946 NZD
£2,195 GBP
View
Most Expensive
B
Brilliant Earth
21835216A · Oct 30
$7,044 NZD
$3,970 USD
View
14 more retailers have this diamond
Prices start from $1,068 NZDSave up to $5,976 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
3.31ct Heart
$1,068 NZD