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Cushion|Lab Grown|IGI

11.53ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG603337552

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG603337552

Diamond specifications and retailer prices

From $4,904 NZD
$2,759 USD
As of November 1, 2026
Save $12,827 NZD (72%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $17,731 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 11.53ct lab-grown cushion diamond

This 11.53ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG603337552 or 603337552. Listed at 16 retailers as of October 31, 2026, with prices from $4,904 to $17,731, a $12,827 spread on the same certified stone. Taylor and Hart lists it at $17,731. 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

11.53
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle28.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603337552
Dimensions15.21 × 10.90 × 7.62 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
15.21 mm10.90 mm11.53 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603337552
Side View
Table 62.0%Crown 36.2°Girdle: THK-ETKPavilion 28.8°Culet: NoneDepth 69.9%

Caratlytics Score

How it works →
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: Nov 1
Current: $7,033 NZD|Low: $4,904 NZD|High: $14,215 NZD|Avg: $7,642 NZD|-1.0%
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
November 2, 2026
Retailer 4$4,904 NZD
Retailer 2$5,081 NZD
Retailer 11$5,367 NZD
Retailer 3$5,963 NZD
Retailer 7$6,802 NZD
Retailer 1$7,033 NZD
Retailer 9$7,865 NZD
Retailer 13$7,918 NZD
Retailer 6$8,051 NZD
Retailer 8$9,413 NZD
Retailer 5$9,643 NZD
Retailer 12$13,564 NZD
Retailer 10$14,122 NZD

43 data points across 13 retailers

16 retailers$4,904 NZD to $17,731 NZD

A
Cheapest Retailer
-
$4,904 NZD
$2,759 USD
Final sale: no returns
Retailer 2
-
$5,081 NZD
$2,859 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$5,367 NZD
$3,020 USD
View
A
Retailer 4
-
$5,963 NZD
$3,355 USD
View
A
Retailer 5
-
$6,802 NZD
£3,014 GBP
View
A
Retailer 6
-
$7,033 NZD
$3,957 USD
View
A
Retailer 7
-
$7,865 NZD
ZAR 71,490 ZAR
View
A
Retailer 8
-
$7,918 NZD
$4,455 USD
View
A
Retailer 9
-
$8,051 NZD
€4,314 EUR
View
B+
Retailer 10
-
$9,413 NZD
A$8,148 AUD
View
B+
Retailer 11
-
$9,643 NZD
£4,272 GBP
View
Retailer 12
-
$11,813 NZD
$6,647 USD
View
Price last confirmed 54 days ago
B
Retailer 13
-
$13,564 NZD
$7,632 USD
View
B
Retailer 14
-
$14,122 NZD
$7,946 USD
View
B
Retailer 15
-
$14,267 NZD
$8,027 USD
View
Most Expensive
B
Taylor and Hart
RWKLTPS · Oct 31
$17,731 NZD
$9,976 USD
View
15 more retailers have this diamond
Prices start from $4,904 NZDSave up to $12,827 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
11.53ct Cushion
$4,904 NZD