Oval|Natural|HRD

5.51ct I SI2 Oval Natural Diamond

ID • I/SI2 • HRD 220000050937

Shape and cutting style on the report: Oval

Certificate HRD 220000050937

Diamond specifications and retailer prices

From $127,050 USD
€121,000 EUR
As of October 29, 2026
8 retailers carry this diamond
Most expensive: $127,050 USD at Belgium Diamonds
View at Belgium Diamonds

About this 5.51ct natural oval diamond

This 5.51ct natural oval sits in the over five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 220000050937. Listed at 8 retailers as of October 29, 2026. 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
I
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 220000050937
Dimensions13.32 × 9.75 × 6.24 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizeNone
Top View
13.32 mm9.75 mm5.51 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 220000050937
Side View
Table 58.0%CrownGirdle: ThickPavilionCulet: 0.0Depth 64.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $127,050 USD|Low: $31,390 USD|High: $127,050 USD|Avg: $60,995 USD
Belgium Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 18, 2026
Retailer 9$31,390 USD
Retailer 8$43,810 USD
Retailer 5$47,410 USD
Retailer 6$52,315 USD
Retailer 2$57,080 USD
Retailer 7$58,273 USD
Retailer 4$58,854 USD
Retailer 3$74,416 USD
Belgium Diamonds$127,050 USD

14 data points across 9 retailers

8 retailers

Retailer 1
-
$47,410 USD
Price last confirmed 13 days ago
Retailer 2
-
$49,370 USD
View
Price last confirmed 32 days ago
Retailer 3
-
$54,495 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$56,674 USD
View
Price last confirmed 25 days ago
Retailer 5
-
$58,273 USD
View
Price last confirmed 15 days ago
Retailer 6
-
$58,854 USD
View
Price last confirmed 24 days ago
Retailer 7
-
$74,416 USD
£58,595 GBP
View
Price last confirmed 14 days ago
Most Expensive
B
Belgium Diamonds
427921345 · Oct 29
$127,050 USD
€121,000 EUR
View
7 more retailers have this diamond

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
5.51ct Oval
$127,050 USD