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Round|Natural|GIA

5.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 3445350946

Certificate GIA 3445350946

Diamond specifications and retailer prices

From €74,807 EUR
$83,575 USD
As of November 1, 2026
Save €60,095 EUR (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €134,902 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 5.51ct natural round diamond

This 5.51ct natural round sits in the over five carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3445350946. Listed at 13 retailers as of November 1, 2026, with prices from €74,807 to €134,902, a €60,095 spread on the same certified stone. MOH London lists it at €134,902. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.51
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3445350946
Dimensions11.44 × 11.39 × 6.87 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
11.44 mm11.39 mm5.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3445350946
Side View
Table 58.0%Crown 34°Girdle: ThickPavilion 40.6°Culet: NoneDepth 60.1%

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: €134,902 EUR|Low: €71,981 EUR|High: €136,528 EUR|Avg: €93,627 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 4€74,807 EUR
Retailer 5€79,180 EUR
Retailer 2€85,920 EUR
Retailer 10€86,378 EUR
Retailer 6€89,977 EUR
Retailer 7€89,977 EUR
Retailer 9€93,576 EUR
Retailer 8€97,175 EUR
Retailer 3€99,313 EUR
MOH London€134,902 EUR

40 data points across 10 retailers

13 retailers€74,807 EUR to €134,902 EUR

A
Cheapest Retailer
-
€74,807 EUR
$83,575 USD
B+
Retailer 2
-
€78,278 EUR
$87,453 USD
View
B+
Retailer 3
-
€79,180 EUR
$88,460 USD
View
Final sale: no returns
B+
Retailer 4
-
€85,920 EUR
£75,583 GBP
View
Retailer 5
-
€86,378 EUR
$96,502 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
€87,098 EUR
$97,306 USD
View
B+
Retailer 7
-
€87,696 EUR
$97,974 USD
View
B
Retailer 8
-
€89,977 EUR
$100,523 USD
View
B
Retailer 9
-
€89,977 EUR
$100,523 USD
View
B
Retailer 10
-
€93,576 EUR
$104,544 USD
View
B
Retailer 11
-
€97,175 EUR
$108,565 USD
View
B+
Retailer 12
-
€99,313 EUR
View
Most Expensive
B
MOH London
B2F662500 · Nov 1
€134,902 EUR
£118,672 GBP
View
12 more retailers have this diamond
Prices start from €74,807 EURSave up to €60,095 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
€74,807 EUR