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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 $5,121 USD
As of October 29, 2026
Save $13,944 USD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $19,065 USD at Taylor and Hart · As of October 28, 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 28, 2026, with prices from $5,121 to $19,065, a $13,944 spread on the same certified stone. Taylor and Hart lists it at $19,065. 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
Color
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: Oct 29
Current: $6,928 USD|Low: $4,880 USD|High: $19,065 USD|Avg: $8,861 USD|+1.8%
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
October 30, 2026
Retailer 4$5,121 USD
Retailer 12$5,148 USD
Retailer 8$5,270 USD
Retailer 2$5,370 USD
Retailer 1$6,928 USD
Retailer 15$7,529 USD
Retailer 6$8,120 USD
Retailer 3$8,190 USD
Retailer 10$8,742 USD
Retailer 14$9,060 USD
Retailer 16$9,470 USD
Retailer 9$10,833 USD
Retailer 5$10,925 USD
Retailer 11$11,100 USD
Retailer 13$14,820 USD
Retailer 7$16,920 USD
Taylor and Hart$19,065 USD

37 data points across 17 retailers

18 retailers$5,121 USD to $19,065 USD

A
Cheapest Retailer
-
$5,121 USD
A
Retailer 2
-
$5,148 USD
View
Final sale: no returns
Retailer 3
-
$5,270 USD
View
Price last confirmed 19 days ago
A
Retailer 4
-
$5,370 USD
View
A
Retailer 5
-
$6,928 USD
£5,455 GBP
View
Retailer 6
-
$6,968 USD
£5,487 GBP
View
Price last confirmed 18 days ago
A
Retailer 7
-
$7,529 USD
£5,928 GBP
View
Retailer 8
-
$8,120 USD
View
Price last confirmed 11 days ago
A
Retailer 9
-
$8,190 USD
View
A
Retailer 10
-
$8,742 USD
€8,326 EUR
View
A
Retailer 11
-
$9,060 USD
View
A
Retailer 12
-
$9,470 USD
View
A
Retailer 13
-
$10,833 USD
ZAR 175,010 ZAR
View
Retailer 14
-
$10,925 USD
A$16,808 AUD
View
Price last confirmed 7 days ago
A
Retailer 15
-
$11,100 USD
£8,740 GBP
View
B+
Retailer 16
-
$14,820 USD
View
B+
Retailer 17
-
$16,920 USD
View
Most Expensive
B+
Taylor and Hart
QRCH1TB · Oct 28
$19,065 USD
View
17 more retailers have this diamond
Prices start from $5,121 USDSave up to $13,944 USD

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
$5,121 USD