CaratHunter
Plans
Round|Lab Grown|GIA

5.51ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 5516875974

Certificate GIA 5516875974

Diamond specifications and retailer prices

From €15,269 EUR
$17,059 USD
As of November 1, 2026
Save €24,730 EUR (62%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €42,053 EUR at Aida Diamonds · As of October 22, 2026
View at Aida Diamonds

About this 5.51ct lab-grown round diamond

This 5.51ct 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 5516875974. Listed at 17 retailers as of November 1, 2026, with a 162% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.51
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 5516875974
Dimensions11.26 × 11.21 × 7.02 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
11.26 mm11.21 mm5.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5516875974
Side View
Table 56.0%Crown 35°Girdle: ThickPavilion 40.8°Culet: NoneDepth 62.5%

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 1
Current: €42,053 EUR|Low: €12,835 EUR|High: €71,724 EUR|Avg: €26,260 EUR|+0.0%
Aida Diamonds
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
November 1, 2026
Retailer 6€13,368 EUR
Retailer 14€15,269 EUR
Retailer 13€15,661 EUR
Retailer 5€16,036 EUR
Retailer 8€16,790 EUR
Retailer 7€17,930 EUR
Retailer 12€17,965 EUR
Retailer 16€18,158 EUR
Retailer 4€18,793 EUR
Retailer 11€19,142 EUR
Retailer 3€29,708 EUR
Retailer 10€30,947 EUR
Retailer 9€34,699 EUR
Retailer 2€39,999 EUR
Aida Diamonds€42,053 EUR
Retailer 15€70,157 EUR

31 data points across 16 retailers

17 retailers€15,269 EUR to €39,999 EUR

Retailer 1
-
€13,368 EUR
$14,935 USD
Price last confirmed 14 days ago
B+
Retailer 2
-
€15,269 EUR
$17,059 USD
View
A
Retailer 3
-
€15,661 EUR
$17,497 USD
View
B+
Retailer 4
-
€16,036 EUR
$17,916 USD
View
B+
Retailer 5
-
€16,790 EUR
$18,758 USD
View
B+
Retailer 6
-
€17,228 EUR
$19,247 USD
View
B+
Retailer 7
-
€17,930 EUR
$20,032 USD
View
Final sale: no returns
B+
Retailer 8
-
€17,965 EUR
$20,071 USD
View
B+
Retailer 9
-
€18,158 EUR
$20,286 USD
View
B+
Retailer 10
-
€18,793 EUR
$20,996 USD
View
B+
Retailer 11
-
€24,019 EUR
$26,834 USD
View
B+
Retailer 12
-
€29,708 EUR
$33,190 USD
View
B+
Retailer 13
-
€30,947 EUR
£27,224 GBP
View
B+
Retailer 14
-
€34,699 EUR
View
B
Retailer 15
-
€39,999 EUR
A$68,750 AUD
View
Most Expensive
Aida Diamonds
487065613 · Oct 22
€42,053 EUR
A$72,279 AUD
View
Price last confirmed 9 days ago
15 more retailers have this diamond
Prices start from €15,269 EURSave up to €24,730 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
5.51ct Round
€15,269 EUR