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Emerald|Natural|IGI

2.51ct I SI1 Emerald Natural Diamond

VG • I/SI1 • IGI 782657705

Shape and cutting style on the report: Emerald cut

Certificate IGI 782657705

Diamond specifications and retailer prices

From $17,960 AUD
$12,616 USD
As of October 30, 2026
Save $11,269 AUD (39%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $29,229 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 2.51ct natural emerald diamond

This 2.51ct natural emerald sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 782657705. Listed at 10 retailers as of October 30, 2026, with prices from $17,960 to $29,229, a $11,269 spread on the same certified stone. NZ Jewellers lists it at $29,229. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.51
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle34.7°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 782657705
Dimensions8.78 × 6.42 × 4.47 mm
L/W Ratio1.37
Culet sizeLarge
Top View
8.78 mm6.42 mm2.51 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 782657705
Side View
Table 63.0%Crown 34.7°Girdle: MED-STKPavilion 41.4°Culet: LargeDepth 69.6%

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 30
Current: $29,229 AUD|Low: $10,315 AUD|High: $33,063 AUD|Avg: $21,782 AUD|+2.5%
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
October 31, 2026
Retailer 5$10,315 AUD
Retailer 3$17,302 AUD
Retailer 12$17,960 AUD
Retailer 9$18,551 AUD
Retailer 11$19,358 AUD
Retailer 8$20,649 AUD
Retailer 13$20,971 AUD
Retailer 10$21,778 AUD
Retailer 2$22,097 AUD
Retailer 7$24,121 AUD
Retailer 6$27,535 AUD
NZ Jewellers$29,229 AUD
Retailer 4$33,063 AUD

29 data points across 13 retailers

10 retailers$17,960 AUD to $29,229 AUD

B+
Cheapest Retailer
-
$17,960 AUD
$12,616 USD
B+
Retailer 2
-
$18,551 AUD
$13,031 USD
View
Final sale: no returns
B+
Retailer 3
-
$19,358 AUD
$13,598 USD
View
B+
Retailer 4
-
$20,649 AUD
$14,505 USD
View
B+
Retailer 5
-
$20,971 AUD
$14,731 USD
View
B+
Retailer 6
-
$21,778 AUD
$15,298 USD
View
B+
Retailer 7
-
$22,097 AUD
€14,783 EUR
View
B+
Retailer 8
-
$24,121 AUD
ZAR 273,721 ZAR
View
B+
Retailer 9
-
$27,535 AUD
£15,230 GBP
View
Most Expensive
B
NZ Jewellers
6adb3d48-bd38-49f5-ac4d-b4202e0a8957 · Oct 30
$29,229 AUD
$20,532 USD
View
9 more retailers have this diamond
Prices start from $17,960 AUDSave up to $11,269 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.

B+
2.51ct Emerald
$17,960 AUD