Cushion|Lab Grown|IGI

4.52ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG837677127

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG837677127

Diamond specifications and retailer prices

From $1,629 NZD
$918 USD
As of October 29, 2026
Save $8,148 NZD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,777 NZD at Queensmith · As of October 10, 2026
View at Queensmith

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 LG837677127 or 837677127. Listed at 19 retailers as of October 29, 2026, with a 500% 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 angle34.9°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837677127
Dimensions9.38 × 9.14 × 6.10 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.38 mm9.14 mm4.52 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837677127
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 66.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $9,776 NZD|Low: $1,689 NZD|High: $10,096 NZD|Avg: $4,328 NZD|-3.2%
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
October 30, 2026
Retailer 5$1,689 NZD
Retailer 12$2,005 NZD
Retailer 6$2,417 NZD
Retailer 8$2,582 NZD
Retailer 7$2,595 NZD
Retailer 3$3,552 NZD
Retailer 9$3,597 NZD
Retailer 14$3,618 NZD
Retailer 11$4,678 NZD
Retailer 13$4,984 NZD
Retailer 10$6,343 NZD
Retailer 4$6,381 NZD
Retailer 2$7,354 NZD
Retailer 1$9,776 NZD

36 data points across 14 retailers

19 retailers$1,629 NZD to $9,776 NZD

A
Cheapest Retailer
-
$1,629 NZD
$918 USD
Final sale: no returns
Retailer 2
-
$1,689 NZD
$952 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$2,005 NZD
$1,130 USD
View
A
Retailer 4
-
$2,417 NZD
$1,362 USD
View
A
Retailer 5
-
$2,582 NZD
€1,386 EUR
View
A
Retailer 6
-
$2,595 NZD
£1,152 GBP
View
A
Retailer 7
-
$3,552 NZD
$2,002 USD
View
A
Retailer 8
-
$3,572 NZD
$2,013 USD
View
A
Retailer 9
-
$3,597 NZD
ZAR 32,750 ZAR
View
Retailer 10
-
$3,618 NZD
A$3,137 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$4,678 NZD
£2,076 GBP
View
B+
Retailer 12
-
$4,984 NZD
$2,809 USD
View
B+
Retailer 13
-
$5,372 NZD
$3,028 USD
View
B+
Retailer 14
-
$5,851 NZD
$3,298 USD
View
B+
Retailer 15
-
$6,343 NZD
£2,815 GBP
View
Retailer 16
-
$6,381 NZD
A$5,533 AUD
View
Price last confirmed 22 days ago
Retailer 17
-
$7,354 NZD
$4,145 USD
View
Price last confirmed 12 days ago
B
Retailer 18
-
$9,776 NZD
$5,510 USD
View
Most Expensive
Queensmith
LG837677127 · Oct 10
$12,777 NZD
£5,670 GBP
View
Price last confirmed 20 days ago
18 more retailers have this diamond
Prices start from $1,629 NZDSave up to $8,148 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
$1,629 NZD