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Oval|Natural|GIA

5.51ct I SI2 Oval Natural Diamond

ID • I/SI2 • GIA 6552200290

Certificate GIA 6552200290

Diamond specifications and retailer prices

From $56,935 USD
As of November 2, 2026
Save $41,707 USD (42%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $98,642 USD at MOH London · As of November 2, 2026
View at MOH London

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 GIA 6552200290. Listed at 25 retailers as of November 2, 2026, with prices from $56,935 to $98,642, a $41,707 spread on the same certified stone. MOH London lists it at $98,642. 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 LabGIA
CertificateGIA 6552200290
Dimensions13.87 × 9.85 × 6.26 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Crystal, Feather, Knot, Indented Natural, Needle
Top View
13.87 mm9.85 mm5.51 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552200290
Side View
Table 62.0%CrownGirdle: VTN-VTKPavilionCulet: NoneDepth 63.6%

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: $98,642 USD|Low: $56,935 USD|High: $100,131 USD|Avg: $69,992 USD|-1.5%
MOH London
Retailer 2
Retailer 3
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Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 17
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Retailer 22
November 3, 2026
Retailer 7$56,935 USD
Retailer 17$60,548 USD
Retailer 22$63,160 USD
Retailer 2$63,280 USD
Retailer 15$64,104 USD
Retailer 18$64,680 USD
Retailer 3$65,792 USD
Retailer 8$65,792 USD
Retailer 5$65,865 USD
Retailer 21$67,568 USD
Retailer 20$67,820 USD
Retailer 13$68,156 USD
Retailer 10$68,382 USD
Retailer 9$68,409 USD
Retailer 6$68,424 USD
Retailer 19$71,056 USD
Retailer 11$75,880 USD
Retailer 12$75,880 USD
Retailer 16$76,613 USD
Retailer 14$78,410 USD
Retailer 4$83,120 USD
MOH London$98,642 USD

22 data points across 22 retailers

25 retailers$56,935 USD to $98,642 USD

A
Cheapest Retailer
-
$56,935 USD
A
Retailer 2
-
$60,548 USD
View
Final sale: no returns
A
Retailer 3
-
$63,160 USD
View
A
Retailer 4
-
$63,280 USD
£49,827 GBP
View
Retailer 5
-
$64,104 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$64,680 USD
View
Retailer 7
-
$65,680 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
$65,792 USD
View
A
Retailer 9
-
$65,792 USD
View
A
Retailer 10
-
$65,865 USD
View
A
Retailer 11
-
$67,568 USD
View
B+
Retailer 12
-
$67,820 USD
View
A
Retailer 13
-
$68,156 USD
£53,666 GBP
View
A
Retailer 14
-
$68,382 USD
CA$94,975 CAD
View
Retailer 15
-
$68,409 USD
₹6,515,169 INR
View
Price last confirmed 7 days ago
A
Retailer 16
-
$68,424 USD
View
Retailer 17
-
$69,086 USD
View
Price last confirmed 41 days ago
A
Retailer 18
-
$71,056 USD
View
B+
Retailer 19
-
$74,470 USD
View
B+
Retailer 20
-
$75,880 USD
View
B+
Retailer 21
-
$75,880 USD
View
B+
Retailer 22
-
$76,613 USD
€72,965 EUR
View
B+
Retailer 23
-
$78,410 USD
View
B+
Retailer 24
-
$83,120 USD
View
Most Expensive
B+
MOH London
9869E61C8 · Nov 2
$98,642 USD
£77,671 GBP
View
24 more retailers have this diamond
Prices start from $56,935 USDSave up to $41,707 USD

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 Oval
$56,935 USD