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Emerald|Natural|GIA

1.51ct I SI2 Emerald Natural Diamond

EX • I/SI2 • GIA 2427174580

Certificate GIA 2427174580

Diamond specifications and retailer prices

From $7,151 AUD
$5,023 USD
As of October 31, 2026
Save $2,907 AUD (29%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $10,058 AUD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 1.51ct natural emerald diamond

This 1.51ct natural emerald sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2427174580. Listed at 4 retailers as of October 31, 2026, with prices from $7,151 to $10,058, a $2,907 spread on the same certified stone. 77 Diamonds lists it at $10,058. 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

1.51
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Pavilion angle54.24°
OriginNatural
Grading LabGIA
CertificateGIA 2427174580
Dimensions7.39 × 5.45 × 3.80 mm
L/W Ratio1.36
Top View
7.39 mm5.45 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2427174580
Side View
Table 65.0%CrownGirdle: ThickPavilion 54.24°Culet: NoneDepth 69.8%

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 31
Current: $10,058 AUD|Low: $7,071 AUD|High: $10,123 AUD|Avg: $8,699 AUD|+1.7%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 2$7,151 AUD
Retailer 3$7,659 AUD
Retailer 4$9,987 AUD
77 Diamonds$10,058 AUD

33 data points across 4 retailers

4 retailers$7,151 AUD to $10,058 AUD

B+
Cheapest Retailer
-
$7,151 AUD
$5,023 USD
Retailer 2
-
$7,659 AUD
$5,380 USD
View
Price last confirmed 69 days ago
B+
Retailer 3
-
$7,726 AUD
$5,427 USD
View
Most Expensive
B+
77 Diamonds
EMDHQ8CTJGCN · Nov 1
$10,058 AUD
£5,563 GBP
View
3 more retailers have this diamond
Prices start from $7,151 AUDSave up to $2,907 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+
1.51ct Emerald
$7,151 AUD