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Round|Natural|GIA

2.09ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1246052812

Certificate GIA 1246052812

Diamond specifications and retailer prices

From $9,544 AUD
As of November 4, 2026
Save $12,495 AUD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $22,039 AUD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1246052812. Listed at 17 retailers as of November 4, 2026, with prices from $9,544 to $22,039, a $12,495 spread on the same certified stone. NZ Jewellers lists it at $22,039. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1246052812
Dimensions8.15 × 8.18 × 4.98 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
8.15 mm8.18 mm2.09 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1246052812
Side View
Table 60.0%Crown 35°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 61.0%

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: Nov 4
Current: $22,039 AUD|Low: $9,234 AUD|High: $22,039 AUD|Avg: $12,615 AUD|+2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 15$9,544 AUD
Retailer 17$9,664 AUD
Retailer 18$9,881 AUD
Retailer 16$10,481 AUD
Retailer 5$10,511 AUD
Retailer 11$10,688 AUD
Retailer 6$10,699 AUD
Retailer 3$10,985 AUD
Retailer 8$11,019 AUD
Retailer 19$11,222 AUD
Retailer 13$11,302 AUD
Retailer 2$12,609 AUD
Retailer 4$12,635 AUD
Retailer 9$13,151 AUD
Retailer 7$13,725 AUD
Retailer 10$13,752 AUD
Retailer 12$15,129 AUD
Retailer 14$18,313 AUD
NZ Jewellers$22,039 AUD

21 data points across 19 retailers

17 retailers$9,544 AUD to $22,039 AUD

A
Cheapest Retailer
-
$9,544 AUD
A
Retailer 2
-
$9,664 AUD
View
A
Retailer 3
-
$9,881 AUD
View
A
Retailer 4
-
$10,481 AUD
View
A
Retailer 5
-
$10,511 AUD
View
Retailer 6
-
$10,688 AUD
View
Price last confirmed 26 days ago
A
Retailer 7
-
$10,699 AUD
View
A
Retailer 8
-
$10,985 AUD
View
A
Retailer 9
-
$11,019 AUD
View
Final sale: no returns
A
Retailer 10
-
$11,222 AUD
View
A
Retailer 11
-
$11,302 AUD
View
B+
Retailer 12
-
$12,609 AUD
View
B+
Retailer 13
-
$12,635 AUD
View
B+
Retailer 14
-
$13,725 AUD
View
B+
Retailer 15
-
$15,129 AUD
View
B
Retailer 16
-
$18,313 AUD
View
Most Expensive
B
NZ Jewellers
2f486ea0-938c-4e0e-9dfe-cd86bcc1a980 · Nov 5
$22,039 AUD
$15,428 USD
View
16 more retailers have this diamond
Prices start from $9,544 AUDSave up to $12,495 AUD

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
$9,544 AUD