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Cushion|Lab Grown|IGI

5.59ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG799630951

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG799630951

Diamond specifications and retailer prices

From $17,809 NZD
$10,037 USD
As of November 1, 2026
Save $45,507 NZD (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $63,316 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.59ct lab-grown cushion diamond

This 5.59ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799630951 or 799630951. Listed at 13 retailers as of October 31, 2026, with prices from $17,809 to $63,316, a $45,507 spread on the same certified stone. Taylor and Hart lists it at $63,316. 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

5.59
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle28.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799630951
Dimensions11.86 × 9.11 × 6.00 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.86 mm9.11 mm5.59 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799630951
Side View
Table 59.0%Crown 35.2°Girdle: MED-THKPavilion 28.5°Culet: NoneDepth 65.9%

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 1
Current: $32,735 NZD|Low: $14,740 NZD|High: $63,316 NZD|Avg: $31,614 NZD|-3.0%
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
Taylor and Hart
November 1, 2026
Retailer 5$14,740 NZD
Retailer 12$17,809 NZD
Retailer 13$19,673 NZD
Retailer 2$20,138 NZD
Retailer 8$20,378 NZD
Retailer 9$21,753 NZD
Retailer 6$24,229 NZD
Retailer 4$29,204 NZD
Retailer 1$32,735 NZD
Retailer 11$37,778 NZD
Retailer 7$41,402 NZD
Retailer 10$52,180 NZD
Retailer 3$56,770 NZD
Taylor and Hart$63,316 NZD

42 data points across 14 retailers

13 retailers$17,809 NZD to $63,316 NZD

A
Cheapest Retailer
-
$17,809 NZD
$10,037 USD
A
Retailer 2
-
$19,673 NZD
$11,088 USD
View
Final sale: no returns
A
Retailer 3
-
$20,138 NZD
$11,350 USD
View
Retailer 4
-
$20,378 NZD
$11,485 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$21,753 NZD
$12,260 USD
View
A
Retailer 6
-
$24,229 NZD
£10,752 GBP
View
A
Retailer 7
-
$29,204 NZD
£12,960 GBP
View
B+
Retailer 8
-
$32,735 NZD
£14,527 GBP
View
B+
Retailer 9
-
$37,778 NZD
$21,292 USD
View
B+
Retailer 10
-
$41,402 NZD
ZAR 376,968 ZAR
View
B
Retailer 11
-
$52,180 NZD
$29,409 USD
View
B
Retailer 12
-
$56,770 NZD
$31,996 USD
View
Most Expensive
B
Taylor and Hart
4F4A1BD · Oct 31
$63,316 NZD
$35,685 USD
View
12 more retailers have this diamond
Prices start from $17,809 NZDSave up to $45,507 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
5.59ct Cushion
$17,809 NZD