Oval|Natural|GIA

6.50ct G SI1 Oval Natural Diamond

ID • G/SI1 • GIA 6552542988

Certificate GIA 6552542988

Diamond specifications and retailer prices

From €140,727 EUR
$157,840 USD
As of October 28, 2026
Save €113,064 EUR (45%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €253,791 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 6.5ct natural oval diamond

This 6.5ct natural oval sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552542988. Listed at 21 retailers as of October 28, 2026, with prices from €140,727 to €253,791, a €113,064 spread on the same certified stone. MOH London lists it at €253,791. 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

6.50
Carat
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle42.37°
Pavilion angle37.64°
OriginNatural
Grading LabGIA
CertificateGIA 6552542988
Dimensions14.27 × 10.18 × 6.55 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
14.27 mm10.18 mm6.50 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552542988
Side View
Table 65.0%Crown 42.37°Girdle: STK-VTKPavilion 37.64°Culet: NoneDepth 64.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: €253,791 EUR|Low: €118,368 EUR|High: €255,149 EUR|Avg: €155,505 EUR|+18.9%
MOH London
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 2, 2026
Retailer 14€118,368 EUR
Retailer 12€125,955 EUR
Retailer 10€128,459 EUR
Retailer 15€129,263 EUR
Retailer 21€140,727 EUR
Retailer 17€144,569 EUR
Retailer 16€144,898 EUR
Retailer 3€145,887 EUR
Retailer 9€146,252 EUR
Retailer 7€148,008 EUR
Retailer 11€148,624 EUR
Retailer 5€156,789 EUR
Retailer 19€159,204 EUR
Retailer 4€162,503 EUR
Retailer 23€169,274 EUR
Retailer 24€169,274 EUR
Retailer 8€170,021 EUR
Retailer 2€175,356 EUR
Retailer 22€176,044 EUR
Retailer 6€182,815 EUR
Retailer 13€191,414 EUR
Retailer 18€196,621 EUR
Retailer 20€201,097 EUR
MOH London€253,791 EUR

26 data points across 24 retailers

21 retailers€140,727 EUR to €253,791 EUR

Retailer 1
-
€118,368 EUR
HK$1,037,200 HKD
Price last confirmed 27 days ago
Retailer 2
-
€125,955 EUR
A$217,342 AUD
View
Price last confirmed 30 days ago
B+
Retailer 3
-
€140,727 EUR
$157,840 USD
View
Retailer 4
-
€144,898 EUR
$162,518 USD
View
Price last confirmed 30 days ago
B+
Retailer 5
-
€145,887 EUR
$163,628 USD
View
B
Retailer 6
-
€146,252 EUR
$164,037 USD
View
Final sale: no returns
B+
Retailer 7
-
€148,008 EUR
$166,006 USD
View
Retailer 8
-
€151,981 EUR
$170,463 USD
View
Price last confirmed 62 days ago
B
Retailer 9
-
€156,789 EUR
$175,855 USD
View
B+
Retailer 10
-
€159,204 EUR
£140,602 GBP
View
Retailer 11
-
€162,503 EUR
$182,264 USD
View
Price last confirmed 8 days ago
B
Retailer 12
-
€169,274 EUR
$189,858 USD
View
B
Retailer 13
-
€169,274 EUR
$189,858 USD
View
B
Retailer 14
-
€170,021 EUR
$190,696 USD
View
B
Retailer 15
-
€175,356 EUR
£154,866 GBP
View
B
Retailer 16
-
€176,044 EUR
$197,452 USD
View
B
Retailer 17
-
€182,815 EUR
$205,046 USD
View
B
Retailer 18
-
€191,414 EUR
View
B
Retailer 19
-
€196,621 EUR
ZAR 3,562,706 ZAR
View
B
Retailer 20
-
€201,097 EUR
$225,551 USD
View
Most Expensive
B
MOH London
219EBFA70 · Nov 1
€253,791 EUR
£224,136 GBP
View
20 more retailers have this diamond
Prices start from €140,727 EURSave up to €113,064 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.

B+
6.50ct Oval
€140,727 EUR