Round|Natural|GIA

2.09ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1543643203

Certificate GIA 1543643203

Diamond specifications and retailer prices

From $8,745 USD
£6,886 GBP
As of October 28, 2026
Save $4,965 USD (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $14,631 USD at NZ Jewellers · As of September 19, 2026
View at NZ Jewellers

About this 2.09ct natural round diamond

This 2.09ct natural round sits in the two to three carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1543643203. Listed at 10 retailers as of October 28, 2026, with a 57% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle32.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1543643203
Dimensions8.18 × 8.23 × 5.07 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Feather
Top View
8.18 mm8.23 mm2.09 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1543643203
Side View
Table 59.0%Crown 32.5°GirdlePavilion 41.8°CuletDepth 61.7%

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 28
Current: $13,710 USD|Low: $8,745 USD|High: $13,875 USD|Avg: $10,755 USD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4$8,745 USD
Retailer 5$9,515 USD
Retailer 6$9,644 USD
Retailer 2$10,100 USD
Retailer 8$10,891 USD
Retailer 7$11,167 USD
Retailer 3$11,962 USD
Retailer 1$13,710 USD

40 data points across 8 retailers

10 retailers$8,745 USD to $13,710 USD

A
Cheapest Retailer
-
$8,745 USD
£6,886 GBP
B+
Retailer 2
-
$9,515 USD
View
Retailer 3
-
$9,644 USD
A$14,837 AUD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$10,100 USD
£7,953 GBP
View
Retailer 5
-
$10,497 USD
View
Price last confirmed 39 days ago
Retailer 6
-
$10,497 USD
View
Price last confirmed 24 days ago
Retailer 7
-
$10,659 USD
View
Price last confirmed 32 days ago
B
Retailer 8
-
$11,962 USD
View
B
Retailer 9
-
$13,710 USD
£10,795 GBP
View
Most Expensive
NZ Jewellers
b7bfdd31-8830-430c-99f6-403613494269 · Sep 19
$14,631 USD
View
Price last confirmed 42 days ago
9 more retailers have this diamond
Prices start from $8,745 USDSave up to $4,965 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.

A
2.09ct Round
$8,745 USD