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Emerald|Natural|GIA

0.51ct F SI1 Emerald Natural Diamond

VG • F/SI1 • GIA 1527951597

Certificate GIA 1527951597

Diamond specifications and retailer prices

From $1,026 NZD
As of November 4, 2026
Save $1,539 NZD (60%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,828 NZD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 0.51ct natural emerald diamond

This 0.51ct natural emerald sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1527951597. Listed at 19 retailers as of November 4, 2026, with a 150% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.51
Carat
F
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1527951597
Dimensions5.25 × 3.90 × 2.67 mm
L/W Ratio1.35
Key to symbols
Cloud, Crystal, Feather
Top View
5.25 mm3.90 mm0.51 ctF / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1527951597
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NoneDepth 68.4%

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: Nov 4
Current: $2,828 NZD|Low: $971 NZD|High: $4,670 NZD|Avg: $1,523 NZD
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
Retailer 20
November 6, 2026
Retailer 12$971 NZD
Retailer 8$1,000 NZD
Retailer 18$1,026 NZD
Retailer 10$1,041 NZD
Retailer 6$1,046 NZD
Retailer 4$1,158 NZD
Retailer 9$1,165 NZD
Retailer 5$1,295 NZD
Retailer 11$1,313 NZD
Retailer 13$1,347 NZD
Retailer 7$1,354 NZD
Retailer 15$1,356 NZD
Retailer 2$1,357 NZD
Retailer 16$1,450 NZD
Retailer 14$1,485 NZD
Retailer 17$1,717 NZD
Retailer 20$1,806 NZD
Retailer 19$2,391 NZD
Retailer 3$2,565 NZD
NZ Jewellers$2,828 NZD

34 data points across 20 retailers

19 retailers$1,026 NZD to $2,565 NZD

Retailer 1
-
$902 NZD
Price last confirmed 36 days ago
Retailer 2
-
$971 NZD
View
Price last confirmed 38 days ago
B+
Retailer 3
-
$1,026 NZD
View
Final sale: no returns
Retailer 4
-
$1,041 NZD
View
Price last confirmed 38 days ago
B+
Retailer 5
-
$1,046 NZD
View
B+
Retailer 6
-
$1,158 NZD
View
Retailer 7
-
$1,165 NZD
View
Price last confirmed 41 days ago
B
Retailer 8
-
$1,295 NZD
View
B
Retailer 9
-
$1,347 NZD
View
Retailer 10
-
$1,354 NZD
View
Price last confirmed 36 days ago
B
Retailer 11
-
$1,356 NZD
View
B
Retailer 12
-
$1,357 NZD
View
B
Retailer 13
-
$1,450 NZD
View
B
Retailer 14
-
$1,485 NZD
View
B
Retailer 15
-
$1,717 NZD
View
B
Retailer 16
-
$1,806 NZD
View
B
Retailer 17
-
$2,391 NZD
View
B
Retailer 18
-
$2,565 NZD
View
Most Expensive
NZ Jewellers
95dece29-d63a-4ff2-8972-ef637fbbf8f4 · Sep 30
$2,828 NZD
$1,590 USD
View
Price last confirmed 37 days ago
18 more retailers have this diamond
Prices start from $1,026 NZDSave up to $1,539 NZD

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+
0.51ct Emerald
$1,026 NZD