Round|Natural|GIA

6.59ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 5202809839

Certificate GIA 5202809839

Diamond specifications and retailer prices

From $163,452 USD
As of November 2, 2026
Save $60,081 USD (27%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $223,533 USD at Yorxs · As of November 2, 2026
View at Yorxs

About this 6.59ct natural round diamond

This 6.59ct natural round sits in the over five carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5202809839. Listed at 8 retailers as of November 2, 2026, with prices from $163,452 to $223,533, a $60,081 spread on the same certified stone. Yorxs lists it at $223,533. 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

6.59
Carat
G
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5202809839
Dimensions12.32 × 12.40 × 7.21 mm
L/W Ratio1.01
Top View
12.32 mm12.40 mm6.59 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5202809839
Side View
Table 60.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 58.3%

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: Nov 2
Current: $200,526 USD|Low: $163,452 USD|High: $224,530 USD|Avg: $186,925 USD|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 3, 2026
Retailer 5$163,452 USD
Retailer 3$170,766 USD
Retailer 2$180,421 USD
Retailer 4$186,590 USD
Retailer 1$200,526 USD
Yorxs$223,533 USD

43 data points across 6 retailers

8 retailers$163,452 USD to $223,533 USD

B+
Cheapest Retailer
-
$163,452 USD
B
Retailer 2
-
$165,155 USD
View
B+
Retailer 3
-
$170,766 USD
₹16,263,414 INR
View
B
Retailer 4
-
$180,421 USD
View
Retailer 5
-
$180,421 USD
View
Price last confirmed 26 days ago
B
Retailer 6
-
$186,590 USD
View
Final sale: no returns
B
Retailer 7
-
$200,526 USD
£157,894 GBP
View
Most Expensive
B
Yorxs
TIM1528 · Nov 2
$223,533 USD
€212,889 EUR
View
7 more retailers have this diamond
Prices start from $163,452 USDSave up to $60,081 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
$163,452 USD