Round|Natural|GIA

2.09ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6502955144

Certificate GIA 6502955144

Diamond specifications and retailer prices

From $18,289 USD
As of October 29, 2026
Save $11,143 USD (38%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $29,432 USD at Diamond Quarter · As of October 28, 2026
View at Diamond Quarter

About this 2.09ct natural round diamond

This 2.09ct natural round sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6502955144. Listed at 6 retailers as of October 28, 2026, with prices from $18,289 to $29,432, a $11,143 spread on the same certified stone. Diamond Quarter lists it at $29,432. 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

2.09
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6502955144
Dimensions8.09 × 8.14 × 5.14 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
8.09 mm8.14 mm2.09 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6502955144
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.3%

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 29
Current: $27,148 USD|Low: $15,553 USD|High: $27,540 USD|Avg: $21,484 USD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 3$18,289 USD
Retailer 5$18,529 USD
Retailer 2$20,367 USD
Retailer 4$24,494 USD
Retailer 1$27,148 USD

23 data points across 5 retailers

6 retailers$18,289 USD to $29,432 USD

B+
Cheapest Retailer
-
$18,289 USD
Final sale: no returns
B+
Retailer 2
-
$18,529 USD
View
B+
Retailer 3
-
$20,367 USD
€19,397 EUR
View
B
Retailer 4
-
$24,494 USD
View
B
Retailer 5
-
$27,148 USD
£21,376 GBP
View
Most Expensive
B
Diamond Quarter
2.09SI1F65445C08N · Oct 28
$29,432 USD
£23,174 GBP
View
5 more retailers have this diamond
Prices start from $18,289 USDSave up to $11,143 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+
2.09ct Round
$18,289 USD