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Round|Lab Grown|GIA

5.17ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 7478640606

Certificate GIA 7478640606

Diamond specifications and retailer prices

From €13,730 EUR
$15,400 USD
As of November 2, 2026
Save €31,257 EUR (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €44,987 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.17ct lab-grown round diamond

This 5.17ct lab-grown round 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 GIA 7478640606. Listed at 19 retailers as of October 31, 2026, with prices from €13,730 to €44,987, a €31,257 spread on the same certified stone. Taylor and Hart lists it at €44,987. 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

5.17
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 7478640606
Dimensions11.18 × 11.15 × 6.77 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Top View
11.18 mm11.15 mm5.17 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7478640606
Side View
Table 58.0%Crown 33.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.6%

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 2
Current: €13,828 EUR|Low: €12,879 EUR|High: €109,888 EUR|Avg: €30,601 EUR|-1.1%
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
Taylor and Hart
November 2, 2026
Retailer 14€12,879 EUR
Retailer 3€13,730 EUR
Retailer 1€13,828 EUR
Retailer 15€14,523 EUR
Retailer 2€14,872 EUR
Retailer 8€16,007 EUR
Retailer 4€16,847 EUR
Retailer 5€16,847 EUR
Retailer 16€17,428 EUR
Retailer 12€28,547 EUR
Retailer 10€30,024 EUR
Retailer 7€32,445 EUR
Retailer 9€32,445 EUR
Retailer 11€38,124 EUR
Retailer 13€43,298 EUR
Taylor and Hart€44,987 EUR
Retailer 17€65,068 EUR
Retailer 6€109,888 EUR

41 data points across 18 retailers

19 retailers€13,730 EUR to €44,987 EUR

Retailer 1
-
€12,879 EUR
$14,445 USD
Price last confirmed 16 days ago
A
Retailer 2
-
€13,730 EUR
$15,400 USD
View
A
Retailer 3
-
€13,828 EUR
£12,213 GBP
View
B+
Retailer 4
-
€14,523 EUR
$16,289 USD
View
B+
Retailer 5
-
€14,872 EUR
$16,680 USD
View
B+
Retailer 6
-
€16,007 EUR
$17,953 USD
View
B+
Retailer 7
-
€16,847 EUR
$18,896 USD
View
Retailer 8
-
€16,847 EUR
$18,896 USD
View
Price last confirmed 17 days ago
B+
Retailer 9
-
€17,428 EUR
$19,547 USD
View
B+
Retailer 10
-
€19,765 EUR
$22,169 USD
View
B+
Retailer 11
-
€28,547 EUR
£25,211 GBP
View
B+
Retailer 12
-
€30,024 EUR
View
B
Retailer 13
-
€32,445 EUR
$36,390 USD
View
B
Retailer 14
-
€32,445 EUR
$36,390 USD
View
B
Retailer 15
-
€38,124 EUR
A$65,784 AUD
View
B
Retailer 16
-
€43,298 EUR
$48,564 USD
View
Most Expensive
B
Taylor and Hart
CGYP2U9 · Oct 31
€44,987 EUR
$50,458 USD
View
16 more retailers have this diamond
Prices start from €13,730 EURSave up to €31,257 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.

A
5.17ct Round
€13,730 EUR