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Cushion|Lab Grown|IGI

4.52ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG715553218

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG715553218

Diamond specifications and retailer prices

From $1,952 NZD
$1,100 USD
As of October 29, 2026
Save $14,354 NZD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $18,009 NZD at Brilliant Earth · As of October 12, 2026
View at Brilliant Earth

About this 4.52ct lab-grown cushion diamond

This 4.52ct lab-grown cushion 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 LG715553218 or 715553218. Listed at 18 retailers as of October 29, 2026, with a 735% 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

4.52
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715553218
Dimensions8.68 × 8.68 × 10.97 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.68 mm8.68 mm4.52 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG715553218
Side View
Table 65.0%Crown 37.7°Girdle: MED-THKPavilion 36°Culet: NoneDepth 66.0%

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 29
Current: $18,009 NZD|Low: $1,952 NZD|High: $18,382 NZD|Avg: $5,159 NZD|-2.0%
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
October 30, 2026
Retailer 4$1,952 NZD
Retailer 12$2,023 NZD
Retailer 9$2,333 NZD
Retailer 2$2,454 NZD
Retailer 13$2,850 NZD
Retailer 6$3,234 NZD
Retailer 7$4,752 NZD
Retailer 10$4,778 NZD
Retailer 5$6,165 NZD
Retailer 3$6,270 NZD
Retailer 11$6,711 NZD
Retailer 8$7,612 NZD
Brilliant Earth$18,009 NZD

43 data points across 13 retailers

18 retailers$1,952 NZD to $16,306 NZD

A
Cheapest Retailer
-
$1,952 NZD
$1,100 USD
Final sale: no returns
A
Retailer 2
-
$2,333 NZD
$1,315 USD
View
A
Retailer 3
-
$2,454 NZD
$1,383 USD
View
A
Retailer 4
-
$2,732 NZD
$1,540 USD
View
A
Retailer 5
-
$2,825 NZD
$1,592 USD
View
A
Retailer 6
-
$2,850 NZD
$1,606 USD
View
A
Retailer 7
-
$3,234 NZD
£1,435 GBP
View
B+
Retailer 8
-
$4,752 NZD
ZAR 43,263 ZAR
View
Retailer 9
-
$4,778 NZD
A$4,143 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$6,165 NZD
£2,736 GBP
View
B+
Retailer 11
-
$6,184 NZD
$3,485 USD
View
B+
Retailer 12
-
$6,270 NZD
$3,534 USD
View
Retailer 13
-
$6,711 NZD
A$5,819 AUD
View
Price last confirmed 22 days ago
B
Retailer 14
-
$7,612 NZD
£3,378 GBP
View
B
Retailer 15
-
$7,937 NZD
$4,473 USD
View
B
Retailer 16
-
$15,490 NZD
$8,730 USD
View
B
Retailer 17
-
$16,306 NZD
$9,190 USD
View
Most Expensive
Brilliant Earth
18874492A · Oct 12
$18,009 NZD
$10,150 USD
View
Price last confirmed 18 days ago
17 more retailers have this diamond
Prices start from $1,952 NZDSave up to $14,354 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
4.52ct Cushion
$1,952 NZD