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Cushion|Lab Grown|GIA

5.50ct D IF Cushion Lab Grown Diamond

ID • D/IF • GIA 6535694990

Certificate GIA 6535694990

Diamond specifications and retailer prices

From €17,701 EUR
$19,776 USD
As of November 1, 2026
Save €29,685 EUR (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €47,387 EUR at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 5.5ct lab-grown cushion diamond

This 5.5ct 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 stated by the retailer rather than the lab and certified by GIA 6535694990. Listed at 6 retailers as of November 1, 2026, with prices from €17,701 to €47,387, a €29,685 spread on the same certified stone. Reve Diamonds lists it at €47,387. 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

5.50
Carat
D
Color
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6535694990
Dimensions11.64 × 9.57 × 6.35 mm
L/W Ratio1.22
Top View
11.64 mm9.57 mm5.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6535694990
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €28,145 EUR|Low: €17,701 EUR|High: €47,387 EUR|Avg: €30,074 EUR|-4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Reve Diamonds
November 1, 2026
Retailer 3€17,701 EUR
Retailer 4€24,713 EUR
Retailer 5€26,273 EUR
Retailer 1€28,145 EUR
Retailer 2€37,255 EUR
Reve Diamonds€47,387 EUR

21 data points across 6 retailers

6 retailers€17,701 EUR to €47,387 EUR

B+
Cheapest Retailer
-
€17,701 EUR
$19,776 USD
Final sale: no returns
B+
Retailer 2
-
€24,713 EUR
$27,610 USD
View
B+
Retailer 3
-
€26,273 EUR
£23,112 GBP
View
B+
Retailer 4
-
€28,145 EUR
£24,759 GBP
View
B+
Retailer 5
-
€37,255 EUR
ZAR 672,392 ZAR
View
Most Expensive
B
Reve Diamonds
DCC588843 · Nov 1
€47,387 EUR
$52,941 USD
View
5 more retailers have this diamond
Prices start from €17,701 EURSave up to €29,685 EUR

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.

B+
5.50ct Cushion
€17,701 EUR