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Round|Natural|GIA

0.66ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6243098119

Certificate GIA 6243098119

Diamond specifications and retailer prices

From €684 EUR
$767 USD
As of October 31, 2026
Save €430 EUR (39%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,115 EUR at Frank Darling · As of November 2, 2026
View at Frank Darling

About this 0.66ct natural round diamond

This 0.66ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6243098119. Listed at 12 retailers as of October 31, 2026, with prices from €684 to €1,115, a €430 spread on the same certified stone. Frank Darling lists it at €1,115. 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

0.66
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6243098119
Dimensions5.53 × 5.56 × 3.48 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.53 mm5.56 mm0.66 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6243098119
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €1,115 EUR|Low: €684 EUR|High: €1,115 EUR|Avg: €867 EUR
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3€684 EUR
Retailer 11€740 EUR
Retailer 9€746 EUR
Retailer 6€761 EUR
Retailer 2€829 EUR
Retailer 4€859 EUR
Retailer 8€859 EUR
Retailer 10€974 EUR
Retailer 5€996 EUR
Retailer 7€1,103 EUR
Frank Darling€1,115 EUR

17 data points across 11 retailers

12 retailers€684 EUR to €1,115 EUR

A
Cheapest Retailer
-
€684 EUR
$767 USD
A
Retailer 2
-
€717 EUR
SGD 1,086 SGD
View
A
Retailer 3
-
€740 EUR
$830 USD
View
A
Retailer 4
-
€746 EUR
SGD 1,130 SGD
View
B+
Retailer 5
-
€761 EUR
$853 USD
View
B+
Retailer 6
-
€829 EUR
£732 GBP
View
B+
Retailer 7
-
€859 EUR
$964 USD
View
B+
Retailer 8
-
€859 EUR
$964 USD
View
B+
Retailer 9
-
€974 EUR
£860 GBP
View
B+
Retailer 10
-
€996 EUR
View
Retailer 11
-
€1,103 EUR
$1,237 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Frank Darling
2706048HK · Nov 2
€1,115 EUR
$1,250 USD
View
11 more retailers have this diamond
Prices start from €684 EURSave up to €430 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.

A
0.66ct Round
€684 EUR