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Heart|Lab Grown|IGI

3.31ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG645455917

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG645455917

Diamond specifications and retailer prices

From $1,093 NZD
$616 USD
As of October 31, 2026
Save $9,482 NZD (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $10,575 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG645455917 or 645455917. Listed at 23 retailers as of October 31, 2026, with prices from $1,093 to $10,575, a $9,482 spread on the same certified stone. Do Amore Diamonds lists it at $10,575. 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 angle39.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645455917
Dimensions9.45 × 10.24 × 5.80 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.45 mm10.24 mm3.31 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645455917
Side View
Table 62.0%Crown 39.1°Girdle: MED-THKPavilion 38.9°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: Oct 31
Current: $1,941 NZD|Low: $1,093 NZD|High: $8,463 NZD|Avg: $3,128 NZD|+2.2%
Retailer 1
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
October 31, 2026
Retailer 6$1,093 NZD
Retailer 3$1,212 NZD
Retailer 14$1,402 NZD
Retailer 5$1,723 NZD
Retailer 15$1,792 NZD
Retailer 1$1,941 NZD
Retailer 8$2,093 NZD
Retailer 10$2,824 NZD
Retailer 13$2,890 NZD
Retailer 12$2,903 NZD
Retailer 2$3,898 NZD
Retailer 9$4,516 NZD
Retailer 4$4,581 NZD
Retailer 11$5,834 NZD
Retailer 7$8,463 NZD

44 data points across 15 retailers

23 retailers$1,093 NZD to $10,575 NZD

Retailer 1
-
$937 NZD
$528 USD
Price last confirmed 29 days ago
A
Retailer 2
-
$1,093 NZD
$616 USD
View
Final sale: no returns
Retailer 3
-
$1,093 NZD
$616 USD
View
Price last confirmed 32 days ago
Retailer 4
-
$1,212 NZD
$683 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$1,402 NZD
$790 USD
View
A
Retailer 6
-
$1,590 NZD
HK$7,000 HKD
View
A
Retailer 7
-
$1,723 NZD
$971 USD
View
A
Retailer 8
-
$1,792 NZD
$1,010 USD
View
A
Retailer 9
-
$1,941 NZD
€1,042 EUR
View
A
Retailer 10
-
$2,093 NZD
£929 GBP
View
A
Retailer 11
-
$2,103 NZD
$1,185 USD
View
B+
Retailer 12
-
$2,824 NZD
A$2,449 AUD
View
B+
Retailer 13
-
$2,890 NZD
$1,629 USD
View
B+
Retailer 14
-
$2,903 NZD
ZAR 26,434 ZAR
View
Retailer 15
-
$3,515 NZD
$1,981 USD
View
Price last confirmed 31 days ago
B+
Retailer 16
-
$3,898 NZD
$2,197 USD
View
B+
Retailer 17
-
$4,074 NZD
$2,296 USD
View
B+
Retailer 18
-
$4,516 NZD
A$3,916 AUD
View
B
Retailer 19
-
$4,529 NZD
$2,552 USD
View
B
Retailer 20
-
$4,581 NZD
SGD 3,489 SGD
View
B
Retailer 21
-
$5,834 NZD
£2,589 GBP
View
B
Retailer 22
-
$8,676 NZD
$4,890 USD
View
Most Expensive
B
Do Amore Diamonds
23-645455917 · Oct 31
$10,575 NZD
$5,960 USD
View
22 more retailers have this diamond
Prices start from $1,093 NZDSave up to $9,482 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
$1,093 NZD