Oval|Natural|GIA

6.50ct G SI1 Oval Natural Diamond

ID • G/SI1 • GIA 6552542988

Certificate GIA 6552542988

Diamond specifications and retailer prices

From £117,801 GBP
$157,840 USD
As of October 28, 2026
Save £94,644 GBP (45%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £212,445 GBP 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 £117,801 to £212,445, a £94,644 spread on the same certified stone. MOH London lists it at £212,445. 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

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £212,445 GBP|Low: £99,084 GBP|High: £213,582 GBP|Avg: £129,945 GBP|+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£99,084 GBP
Retailer 12£105,436 GBP
Retailer 10£107,531 GBP
Retailer 15£108,204 GBP
Retailer 21£117,801 GBP
Retailer 17£121,017 GBP
Retailer 16£121,292 GBP
Retailer 3£122,120 GBP
Retailer 9£122,426 GBP
Retailer 7£123,895 GBP
Retailer 11£124,411 GBP
Retailer 5£131,246 GBP
Retailer 19£133,268 GBP
Retailer 4£136,029 GBP
Retailer 23£141,697 GBP
Retailer 24£141,697 GBP
Retailer 8£142,322 GBP
Retailer 2£146,799 GBP
Retailer 22£147,364 GBP
Retailer 6£153,032 GBP
Retailer 18£159,734 GBP
Retailer 13£164,589 GBP
Retailer 20£168,335 GBP
MOH London£212,445 GBP

25 data points across 24 retailers

22 retailers£117,801 GBP to £212,445 GBP

Retailer 1
-
£99,084 GBP
HK$1,037,200 HKD
Price last confirmed 27 days ago
Retailer 2
-
£105,436 GBP
A$217,342 AUD
View
Price last confirmed 29 days ago
B+
Retailer 3
-
£117,801 GBP
$157,840 USD
View
Retailer 4
-
£121,017 GBP
$162,149 USD
View
Price last confirmed 27 days ago
Retailer 5
-
£121,292 GBP
$162,518 USD
View
Price last confirmed 30 days ago
B+
Retailer 6
-
£122,120 GBP
$163,628 USD
View
B
Retailer 7
-
£122,426 GBP
$164,037 USD
View
Final sale: no returns
B+
Retailer 8
-
£123,895 GBP
$166,006 USD
View
Retailer 9
-
£127,222 GBP
$170,463 USD
View
Price last confirmed 61 days ago
B
Retailer 10
-
£131,246 GBP
$175,855 USD
View
B+
Retailer 11
-
£133,268 GBP
View
Retailer 12
-
£136,029 GBP
$182,264 USD
View
Price last confirmed 7 days ago
B
Retailer 13
-
£141,697 GBP
$189,858 USD
View
B
Retailer 14
-
£141,697 GBP
$189,858 USD
View
B
Retailer 15
-
£142,322 GBP
$190,696 USD
View
B
Retailer 16
-
£146,799 GBP
View
B
Retailer 17
-
£147,364 GBP
$197,452 USD
View
B
Retailer 18
-
£153,032 GBP
$205,046 USD
View
B
Retailer 19
-
£159,734 GBP
€203,834 EUR
View
B
Retailer 20
-
£164,589 GBP
ZAR 3,562,706 ZAR
View
B
Retailer 21
-
£168,335 GBP
$225,551 USD
View
Most Expensive
B
MOH London
219EBFA70 · Nov 1
£212,445 GBP
View
21 more retailers have this diamond
Prices start from £117,801 GBPSave up to £94,644 GBP

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
£117,801 GBP