Oval|Natural|GIA

6.50ct G SI1 Oval Natural Diamond

ID • G/SI1 • GIA 6552542988

Certificate GIA 6552542988

Diamond specifications and retailer prices

From €141,281 EUR
$157,840 USD
As of October 28, 2026
Save €113,509 EUR (45%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €254,790 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 22 retailers as of October 28, 2026, with prices from €141,281 to €254,790, a €113,509 spread on the same certified stone. MOH London lists it at €254,790. 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
Color
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

How it works →
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: €254,790 EUR|Low: €118,834 EUR|High: €256,154 EUR|Avg: €155,846 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 1, 2026
Retailer 14€118,834 EUR
Retailer 12€126,451 EUR
Retailer 10€128,964 EUR
Retailer 15€129,772 EUR
Retailer 21€141,281 EUR
Retailer 17€145,138 EUR
Retailer 16€145,468 EUR
Retailer 3€146,462 EUR
Retailer 9€146,828 EUR
Retailer 7€148,590 EUR
Retailer 11€149,209 EUR
Retailer 5€157,406 EUR
Retailer 19€159,831 EUR
Retailer 4€163,143 EUR
Retailer 23€169,940 EUR
Retailer 24€169,940 EUR
Retailer 8€170,690 EUR
Retailer 2€176,060 EUR
Retailer 22€176,737 EUR
Retailer 6€183,535 EUR
Retailer 18€191,572 EUR
Retailer 13€197,396 EUR
Retailer 20€201,888 EUR
MOH London€254,790 EUR

25 data points across 24 retailers

22 retailers€141,281 EUR to €254,790 EUR

Retailer 1
-
€118,834 EUR
HK$1,037,200 HKD
Price last confirmed 26 days ago
Retailer 2
-
€126,451 EUR
A$217,342 AUD
View
Price last confirmed 29 days ago
B+
Retailer 3
-
€141,281 EUR
$157,840 USD
View
Retailer 4
-
€145,138 EUR
$162,149 USD
View
Price last confirmed 27 days ago
Retailer 5
-
€145,468 EUR
$162,518 USD
View
Price last confirmed 29 days ago
B+
Retailer 6
-
€146,462 EUR
$163,628 USD
View
B
Retailer 7
-
€146,828 EUR
$164,037 USD
View
Final sale: no returns
B+
Retailer 8
-
€148,590 EUR
$166,006 USD
View
Retailer 9
-
€152,580 EUR
$170,463 USD
View
Price last confirmed 61 days ago
B
Retailer 10
-
€157,406 EUR
$175,855 USD
View
B+
Retailer 11
-
€159,831 EUR
£140,602 GBP
View
Retailer 12
-
€163,143 EUR
$182,264 USD
View
Price last confirmed 7 days ago
B
Retailer 13
-
€169,940 EUR
$189,858 USD
View
B
Retailer 14
-
€169,940 EUR
$189,858 USD
View
B
Retailer 15
-
€170,690 EUR
$190,696 USD
View
B
Retailer 16
-
€176,060 EUR
£154,878 GBP
View
B
Retailer 17
-
€176,737 EUR
$197,452 USD
View
B
Retailer 18
-
€183,535 EUR
$205,046 USD
View
B
Retailer 19
-
€191,572 EUR
View
B
Retailer 20
-
€197,396 EUR
ZAR 3,562,706 ZAR
View
B
Retailer 21
-
€201,888 EUR
$225,551 USD
View
Most Expensive
B
MOH London
219EBFA70 · Nov 1
€254,790 EUR
£224,136 GBP
View
21 more retailers have this diamond
Prices start from €141,281 EURSave up to €113,509 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
€141,281 EUR