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Cushion|Lab Grown|IGI

5.03ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG633427879

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG633427879

Diamond specifications and retailer prices

From $9,086 NZD
$5,121 USD
As of November 1, 2026
Save $24,742 NZD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $33,828 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.03ct lab-grown cushion diamond

This 5.03ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG633427879 or 633427879. Listed at 18 retailers as of October 31, 2026, with prices from $9,086 to $33,828, a $24,742 spread on the same certified stone. Taylor and Hart lists it at $33,828. 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

5.03
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG633427879
Dimensions9.78 × 9.78 × 6.35 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
9.78 mm9.78 mm5.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG633427879
Side View
Table 63.0%Crown 34.5°Girdle: THK-VTKPavilion 39.2°Culet: NoneDepth 64.9%

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: $19,591 NZD|Low: $8,659 NZD|High: $33,828 NZD|Avg: $16,366 NZD|+1.2%
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
Retailer 15
Retailer 16
Taylor and Hart
November 1, 2026
Retailer 6$9,086 NZD
Retailer 12$9,134 NZD
Retailer 8$9,351 NZD
Retailer 4$9,528 NZD
Retailer 10$12,293 NZD
Retailer 2$13,358 NZD
Retailer 7$14,407 NZD
Retailer 5$14,532 NZD
Retailer 11$15,403 NZD
Retailer 16$16,075 NZD
Retailer 3$16,803 NZD
Retailer 14$19,221 NZD
Retailer 9$19,589 NZD
Retailer 1$19,591 NZD
Retailer 13$25,532 NZD
Retailer 15$26,295 NZD
Taylor and Hart$33,828 NZD

38 data points across 17 retailers

18 retailers$9,086 NZD to $33,828 NZD

A
Cheapest Retailer
-
$9,086 NZD
$5,121 USD
A
Retailer 2
-
$9,134 NZD
$5,148 USD
View
Final sale: no returns
Retailer 3
-
$9,351 NZD
$5,270 USD
View
Price last confirmed 21 days ago
A
Retailer 4
-
$9,528 NZD
$5,370 USD
View
A
Retailer 5
-
$12,293 NZD
£5,455 GBP
View
Retailer 6
-
$12,363 NZD
£5,487 GBP
View
Price last confirmed 20 days ago
A
Retailer 7
-
$13,358 NZD
£5,928 GBP
View
Retailer 8
-
$14,407 NZD
$8,120 USD
View
Price last confirmed 13 days ago
A
Retailer 9
-
$14,532 NZD
$8,190 USD
View
A
Retailer 10
-
$15,403 NZD
€8,268 EUR
View
A
Retailer 11
-
$16,075 NZD
$9,060 USD
View
A
Retailer 12
-
$16,803 NZD
$9,470 USD
View
A
Retailer 13
-
$19,221 NZD
ZAR 175,010 ZAR
View
A
Retailer 14
-
$19,589 NZD
A$16,985 AUD
View
A
Retailer 15
-
$19,591 NZD
£8,694 GBP
View
A
Retailer 16
-
$25,532 NZD
$14,390 USD
View
B+
Retailer 17
-
$26,295 NZD
$14,820 USD
View
Most Expensive
B+
Taylor and Hart
QRCH1TB · Oct 31
$33,828 NZD
$19,065 USD
View
17 more retailers have this diamond
Prices start from $9,086 NZDSave up to $24,742 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
5.03ct Cushion
$9,086 NZD