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Cushion|Lab Grown|IGI

5.26ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG681578624

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG681578624

Diamond specifications and retailer prices

From $6,238 USD
As of November 1, 2026
Save $30,129 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $36,367 USD at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.26ct lab-grown cushion diamond

This 5.26ct 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 LG681578624 or 681578624. Listed at 19 retailers as of October 31, 2026, with prices from $6,238 to $36,367, a $30,129 spread on the same certified stone. With Clarity lists it at $36,367. 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

5.26
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681578624
Dimensions10.14 × 10.08 × 6.60 mm
L/W Ratio1.01
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
10.14 mm10.08 mm5.26 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681578624
Side View
Table 61.0%Crown 37.5°Girdle: THK-VTKPavilion 38.2°Culet: NoneDepth 65.5%

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: $23,695 USD|Low: $6,238 USD|High: $36,367 USD|Avg: $14,310 USD|-0.0%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
With Clarity
November 1, 2026
Retailer 14$6,238 USD
Retailer 6$6,563 USD
Retailer 12$6,795 USD
Retailer 5$8,602 USD
Retailer 10$8,743 USD
Retailer 8$9,120 USD
Retailer 3$9,677 USD
Retailer 13$10,207 USD
Retailer 11$11,233 USD
Retailer 9$12,018 USD
Retailer 4$13,811 USD
Retailer 15$15,050 USD
Retailer 7$15,489 USD
Retailer 16$18,912 USD
Retailer 1$23,695 USD
Retailer 2$23,811 USD
Retailer 17$24,900 USD
With Clarity$36,367 USD

37 data points across 18 retailers

19 retailers$6,238 USD to $36,367 USD

A
Cheapest Retailer
-
$6,238 USD
A
Retailer 2
-
$6,563 USD
View
Final sale: no returns
A
Retailer 3
-
$6,795 USD
View
A
Retailer 4
-
$8,602 USD
HK$67,200 HKD
View
A
Retailer 5
-
$8,743 USD
£6,884 GBP
View
Retailer 6
-
$9,120 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
$9,677 USD
£7,620 GBP
View
A
Retailer 8
-
$10,207 USD
View
A
Retailer 9
-
$11,233 USD
€10,698 EUR
View
A
Retailer 10
-
$12,018 USD
View
A
Retailer 11
-
$13,811 USD
ZAR 223,119 ZAR
View
A
Retailer 12
-
$15,050 USD
View
A
Retailer 13
-
$15,489 USD
£12,196 GBP
View
B+
Retailer 14
-
$18,912 USD
View
B+
Retailer 15
-
$21,061 USD
View
B+
Retailer 16
-
$23,695 USD
A$36,454 AUD
View
B+
Retailer 17
-
$23,811 USD
View
B
Retailer 18
-
$24,900 USD
SGD 33,648 SGD
View
Most Expensive
B
With Clarity
681578624 · Oct 31
$36,367 USD
View
18 more retailers have this diamond
Prices start from $6,238 USDSave up to $30,129 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
5.26ct Cushion
$6,238 USD