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Cushion|Lab Grown|IGI

13.03ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG629479692

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG629479692

Diamond specifications and retailer prices

From $4,930 NZD
£2,184 GBP
As of November 2, 2026
Save $16,443 NZD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $21,374 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 13.03ct lab-grown cushion diamond

This 13.03ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG629479692 or 629479692. Listed at 13 retailers as of October 31, 2026, with prices from $4,930 to $21,374, a $16,443 spread on the same certified stone. Taylor and Hart lists it at $21,374. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

13.03
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629479692
Dimensions13.72 × 13.00 × 8.25 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Top View
13.72 mm13.00 mm13.03 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629479692
Side View
Table 60.0%Crown 33.2°Girdle: THK-VTKPavilion 31.2°Culet: NoneDepth 63.5%

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: Nov 2
Current: $7,932 NZD|Low: $4,929 NZD|High: $33,840 NZD|Avg: $10,458 NZD|-3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6$4,930 NZD
Retailer 2$5,927 NZD
Retailer 11$6,139 NZD
Retailer 4$6,944 NZD
Retailer 8$7,882 NZD
Retailer 1$7,932 NZD
Retailer 7$8,228 NZD
Retailer 12$9,541 NZD
Retailer 5$9,747 NZD
Retailer 3$17,044 NZD
Retailer 9$17,933 NZD
Retailer 10$20,972 NZD

43 data points across 12 retailers

13 retailers$4,930 NZD to $21,374 NZD

A
Cheapest Retailer
-
$4,930 NZD
£2,184 GBP
A
Retailer 2
-
$5,927 NZD
$3,335 USD
View
Final sale: no returns
Retailer 3
-
$6,139 NZD
$3,454 USD
View
Price last confirmed 21 days ago
B+
Retailer 4
-
$6,944 NZD
$3,907 USD
View
B+
Retailer 5
-
$7,882 NZD
$4,435 USD
View
B+
Retailer 6
-
$7,932 NZD
$4,463 USD
View
B+
Retailer 7
-
$8,228 NZD
£3,645 GBP
View
B+
Retailer 8
-
$9,541 NZD
$5,368 USD
View
B+
Retailer 9
-
$9,747 NZD
€5,223 EUR
View
B
Retailer 10
-
$17,044 NZD
$9,590 USD
View
B
Retailer 11
-
$17,933 NZD
$10,090 USD
View
B
Retailer 12
-
$20,972 NZD
$11,800 USD
View
Most Expensive
B
Taylor and Hart
KYKWUB3 · Oct 31
$21,374 NZD
$12,026 USD
View
12 more retailers have this diamond
Prices start from $4,930 NZDSave up to $16,443 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
13.03ct Cushion
$4,930 NZD