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Emerald|Natural|GIA

1.51ct I SI2 Emerald Natural Diamond

EX • I/SI2 • GIA 2221421051

Certificate GIA 2221421051

Diamond specifications and retailer prices

From $7,902 AUD
$5,551 USD
As of October 31, 2026
Save $2,735 AUD (26%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $10,638 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 2221421051. Listed at 4 retailers as of October 31, 2026, with prices from $7,902 to $10,638, a $2,735 spread on the same certified stone. 77 Diamonds lists it at $10,638. 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
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2221421051
Dimensions7.94 × 5.33 × 3.89 mm
L/W Ratio1.49
Culet sizeNone
Top View
7.94 mm5.33 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2221421051
Side View
Table 69.0%CrownGirdle: THN-ETKPavilionCulet: NoneDepth 72.9%

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: $10,638 AUD|Low: $7,801 AUD|High: $10,691 AUD|Avg: $9,238 AUD|+1.8%
77 Diamonds
Retailer 2
November 1, 2026
Retailer 2$7,902 AUD
77 Diamonds$10,638 AUD

21 data points across 2 retailers

4 retailers$7,902 AUD to $10,638 AUD

B+
Cheapest Retailer
-
$7,902 AUD
$5,551 USD
B+
Retailer 2
-
$8,280 AUD
$5,816 USD
View
B+
Retailer 3
-
$8,488 AUD
$5,963 USD
View
Most Expensive
B
77 Diamonds
EMZQCVJTTGQ · Nov 1
$10,638 AUD
£5,884 GBP
View
3 more retailers have this diamond
Prices start from $7,902 AUDSave up to $2,735 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
$7,902 AUD