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Round|Natural|GIA

6.59ct H VVS1 Round Natural Diamond

EX • H/VVS1 • GIA 2245056346

Certificate GIA 2245056346

Diamond specifications and retailer prices

From $223,020 USD
As of October 29, 2026
Save $140,754 USD (39%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $363,774 USD at MOH London · As of November 1, 2026
View at MOH London

About this 6.59ct natural round diamond

This 6.59ct natural round sits in the over five carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 2245056346. Listed at 7 retailers as of October 29, 2026, with prices from $223,020 to $363,774, a $140,754 spread on the same certified stone. MOH London lists it at $363,774. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

6.59
Carat
H
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2245056346
Dimensions12.13 × 12.19 × 7.40 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather
Top View
12.13 mm12.19 mm6.59 ctH / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245056346
Side View
Table 55.0%Crown 34.5°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 60.8%

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 29
Current: $363,774 USD|Low: $223,020 USD|High: $368,156 USD|Avg: $260,629 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5$223,020 USD
Retailer 6$224,276 USD
Retailer 2$229,365 USD
Retailer 4$241,129 USD
Retailer 7$245,730 USD
Retailer 3$276,311 USD
MOH London$363,774 USD

38 data points across 7 retailers

7 retailers$223,020 USD to $363,774 USD

B+
Cheapest Retailer
-
$223,020 USD
B+
Retailer 2
-
$224,276 USD
View
B+
Retailer 3
-
$229,365 USD
£180,602 GBP
View
B+
Retailer 4
-
$241,129 USD
View
B+
Retailer 5
-
$245,730 USD
View
B
Retailer 6
-
$276,311 USD
€263,153 EUR
View
Most Expensive
B
MOH London
CC0EC1F04 · Nov 1
$363,774 USD
£286,436 GBP
View
6 more retailers have this diamond
Prices start from $223,020 USDSave up to $140,754 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.

B+
6.59ct Round
$223,020 USD