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Cushion|Lab Grown|IGI

11.05ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG627413588

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG627413588

Diamond specifications and retailer prices

From $3,912 NZD
£1,733 GBP
As of November 2, 2026
Save $27,990 NZD (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $31,903 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 11.05ct lab-grown cushion diamond

This 11.05ct 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 LG627413588 or 627413588. Listed at 17 retailers as of October 31, 2026, with prices from $3,912 to $31,903, a $27,990 spread on the same certified stone. Brilliant Earth lists it at $31,903. 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

11.05
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627413588
Dimensions12.96 × 12.30 × 8.45 mm
L/W Ratio1.05
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
12.96 mm12.30 mm11.05 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627413588
Side View
Table 64.0%Crown 38.4°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 68.7%

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 2
Current: $31,903 NZD|Low: $3,911 NZD|High: $31,903 NZD|Avg: $8,939 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
November 2, 2026
Retailer 2$3,912 NZD
Retailer 5$4,703 NZD
Retailer 15$4,872 NZD
Retailer 4$5,163 NZD
Retailer 7$5,739 NZD
Retailer 8$6,653 NZD
Retailer 14$6,805 NZD
Retailer 11$7,541 NZD
Retailer 3$7,598 NZD
Retailer 10$7,717 NZD
Retailer 9$9,026 NZD
Retailer 13$12,363 NZD
Retailer 12$13,031 NZD
Retailer 6$13,719 NZD
Brilliant Earth$31,903 NZD

41 data points across 15 retailers

17 retailers$3,912 NZD to $31,903 NZD

A
Cheapest Retailer
-
$3,912 NZD
£1,733 GBP
A
Retailer 2
-
$4,703 NZD
$2,646 USD
View
Final sale: no returns
Retailer 3
-
$4,872 NZD
$2,741 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
$5,163 NZD
$2,905 USD
View
A
Retailer 5
-
$5,739 NZD
$3,229 USD
View
A
Retailer 6
-
$6,653 NZD
£2,947 GBP
View
A
Retailer 7
-
$6,805 NZD
$3,829 USD
View
A
Retailer 8
-
$7,541 NZD
ZAR 68,549 ZAR
View
A
Retailer 9
-
$7,598 NZD
$4,275 USD
View
A
Retailer 10
-
$7,717 NZD
€4,135 EUR
View
B+
Retailer 11
-
$9,026 NZD
A$7,813 AUD
View
B+
Retailer 12
-
$9,236 NZD
£4,092 GBP
View
B+
Retailer 13
-
$12,363 NZD
$6,956 USD
View
B+
Retailer 14
-
$13,031 NZD
$7,332 USD
View
B
Retailer 15
-
$13,719 NZD
$7,719 USD
View
B
Retailer 16
-
$17,010 NZD
$9,570 USD
View
Most Expensive
B
Brilliant Earth
20601816A · Oct 31
$31,903 NZD
$17,950 USD
View
16 more retailers have this diamond
Prices start from $3,912 NZDSave up to $27,990 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
11.05ct Cushion
$3,912 NZD