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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 $7,290 AUD
$5,121 USD
As of November 1, 2026
Save $19,851 AUD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $27,142 AUD 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 $7,290 to $27,142, a $19,851 spread on the same certified stone. Taylor and Hart lists it at $27,142. 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

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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: $15,719 AUD|Low: $6,947 AUD|High: $27,142 AUD|Avg: $13,131 AUD|+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$7,290 AUD
Retailer 12$7,329 AUD
Retailer 8$7,502 AUD
Retailer 4$7,645 AUD
Retailer 10$9,863 AUD
Retailer 2$10,718 AUD
Retailer 7$11,560 AUD
Retailer 5$11,659 AUD
Retailer 11$12,359 AUD
Retailer 16$12,898 AUD
Retailer 3$13,481 AUD
Retailer 14$15,422 AUD
Retailer 9$15,717 AUD
Retailer 1$15,719 AUD
Retailer 13$20,486 AUD
Retailer 15$21,098 AUD
Taylor and Hart$27,142 AUD

38 data points across 17 retailers

18 retailers$7,290 AUD to $27,142 AUD

A
Cheapest Retailer
-
$7,290 AUD
$5,121 USD
A
Retailer 2
-
$7,329 AUD
$5,148 USD
View
Final sale: no returns
Retailer 3
-
$7,502 AUD
$5,270 USD
View
Price last confirmed 21 days ago
A
Retailer 4
-
$7,645 AUD
$5,370 USD
View
A
Retailer 5
-
$9,863 AUD
£5,455 GBP
View
Retailer 6
-
$9,920 AUD
£5,487 GBP
View
Price last confirmed 20 days ago
A
Retailer 7
-
$10,718 AUD
£5,928 GBP
View
Retailer 8
-
$11,560 AUD
$8,120 USD
View
Price last confirmed 13 days ago
A
Retailer 9
-
$11,659 AUD
$8,190 USD
View
A
Retailer 10
-
$12,359 AUD
€8,268 EUR
View
A
Retailer 11
-
$12,898 AUD
$9,060 USD
View
A
Retailer 12
-
$13,481 AUD
$9,470 USD
View
A
Retailer 13
-
$15,422 AUD
ZAR 175,010 ZAR
View
A
Retailer 14
-
$15,717 AUD
View
A
Retailer 15
-
$15,719 AUD
£8,694 GBP
View
A
Retailer 16
-
$20,486 AUD
$14,390 USD
View
B+
Retailer 17
-
$21,098 AUD
$14,820 USD
View
Most Expensive
B+
Taylor and Hart
QRCH1TB · Oct 31
$27,142 AUD
$19,065 USD
View
17 more retailers have this diamond
Prices start from $7,290 AUDSave up to $19,851 AUD

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
$7,290 AUD