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Heart|Lab Grown|IGI

4.57ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG725512134

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG725512134

Diamond specifications and retailer prices

From $1,237 NZD
$697 USD
As of October 30, 2026
Save $8,362 NZD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $9,599 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.57ct lab-grown heart diamond

This 4.57ct 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 LG725512134 or 725512134. Listed at 20 retailers as of October 30, 2026, with prices from $1,237 to $9,599, a $8,362 spread on the same certified stone. Brilliant Earth lists it at $9,599. 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

4.57
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle42.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG725512134
Dimensions9.95 × 11.27 × 6.94 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.95 mm11.27 mm4.57 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG725512134
Side View
Table 65.0%Crown 37.8°Girdle: MED-THKPavilion 42.7°Culet: NoneDepth 61.6%

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 30
Current: $9,599 NZD|Low: $1,187 NZD|High: $9,599 NZD|Avg: $3,291 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
Retailer 17
Retailer 18
November 1, 2026
Retailer 17$1,237 NZD
Retailer 16$1,345 NZD
Retailer 10$1,384 NZD
Retailer 8$1,435 NZD
Retailer 14$1,748 NZD
Retailer 6$2,079 NZD
Retailer 2$2,299 NZD
Retailer 4$2,333 NZD
Retailer 13$3,054 NZD
Retailer 11$3,075 NZD
Retailer 15$3,211 NZD
Retailer 3$3,566 NZD
Retailer 18$4,033 NZD
Retailer 5$4,703 NZD
Retailer 7$4,894 NZD
Retailer 9$4,947 NZD
Retailer 12$5,665 NZD
Brilliant Earth$9,599 NZD

43 data points across 18 retailers

20 retailers$1,237 NZD to $9,599 NZD

A
Cheapest Retailer
-
$1,237 NZD
$697 USD
A
Retailer 2
-
$1,345 NZD
$758 USD
View
A
Retailer 3
-
$1,384 NZD
$780 USD
View
Final sale: no returns
A
Retailer 4
-
$1,435 NZD
$809 USD
View
Retailer 5
-
$1,435 NZD
$809 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$1,748 NZD
$985 USD
View
A
Retailer 7
-
$2,079 NZD
$1,172 USD
View
A
Retailer 8
-
$2,299 NZD
£1,020 GBP
View
B+
Retailer 9
-
$2,333 NZD
$1,315 USD
View
A
Retailer 10
-
$3,054 NZD
ZAR 27,803 ZAR
View
A
Retailer 11
-
$3,075 NZD
A$2,666 AUD
View
A
Retailer 12
-
$3,211 NZD
$1,810 USD
View
B+
Retailer 13
-
$3,566 NZD
$2,010 USD
View
B+
Retailer 14
-
$4,033 NZD
$2,273 USD
View
B+
Retailer 15
-
$4,647 NZD
$2,619 USD
View
B+
Retailer 16
-
$4,703 NZD
$2,651 USD
View
B+
Retailer 17
-
$4,894 NZD
$2,758 USD
View
B+
Retailer 18
-
$4,947 NZD
$2,788 USD
View
B
Retailer 19
-
$5,665 NZD
£2,514 GBP
View
Most Expensive
B
Brilliant Earth
16922878A · Oct 31
$9,599 NZD
$5,410 USD
View
19 more retailers have this diamond
Prices start from $1,237 NZDSave up to $8,362 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
4.57ct Heart
$1,237 NZD