Round|Natural|GIA

2.09ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5436864833

Certificate GIA 5436864833

Diamond specifications and retailer prices

From $13,799 USD
As of October 29, 2026
Save $4,662 USD (25%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $18,461 USD at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 2.09ct natural round diamond

This 2.09ct natural round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5436864833. Listed at 5 retailers as of October 29, 2026, with prices from $13,799 to $18,461, a $4,662 spread on the same certified stone. 77 Diamonds lists it at $18,461. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5436864833
Dimensions8.14 × 8.08 × 5.03 mm
L/W Ratio1.01
Top View
8.14 mm8.08 mm2.09 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5436864833
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $18,461 USD|Low: $13,799 USD|High: $18,582 USD|Avg: $15,637 USD|+1.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 3$13,799 USD
Retailer 2$14,462 USD
Retailer 4$14,618 USD
Retailer 6$15,515 USD
Retailer 5$17,026 USD
77 Diamonds$18,461 USD

33 data points across 6 retailers

5 retailers$13,799 USD to $18,461 USD

B+
Cheapest Retailer
-
$13,799 USD
B+
Retailer 2
-
$14,462 USD
View
B+
Retailer 3
-
$14,618 USD
View
B+
Retailer 4
-
$15,515 USD
View
Most Expensive
B
77 Diamonds
RBZQB3HGDPH · Oct 30
$18,461 USD
£14,536 GBP
View
4 more retailers have this diamond
Prices start from $13,799 USDSave up to $4,662 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
$13,799 USD