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Emerald|Natural|GIA

0.51ct D SI2 Emerald Natural Diamond

EX • D/SI2 • GIA 2566197575

Certificate GIA 2566197575

Diamond specifications and retailer prices

From $857 NZD
As of November 6, 2026
Save $763 NZD (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,621 NZD at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 0.51ct natural emerald diamond

This 0.51ct natural emerald sits in the half to three-quarter carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566197575. Listed at 9 retailers as of November 6, 2026, with prices from $857 to $1,621, a $763 spread on the same certified stone. Frank Darling lists it at $1,621. 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

0.51
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566197575
Dimensions5.55 × 3.89 × 2.50 mm
L/W Ratio1.43
Culet sizeNone
Top View
5.55 mm3.89 mm0.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566197575
Side View
Table 70.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 64.2%

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 6
Current: $1,621 NZD|Low: $534 NZD|High: $1,633 NZD|Avg: $1,063 NZD|-0.8%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$534 NZD
Retailer 8$857 NZD
Retailer 9$898 NZD
Retailer 4$913 NZD
Retailer 6$1,007 NZD
Retailer 3$1,026 NZD
Retailer 5$1,114 NZD
Retailer 2$1,220 NZD
Retailer 7$1,304 NZD
Frank Darling$1,621 NZD

44 data points across 10 retailers

9 retailers$857 NZD to $1,621 NZD

A
Cheapest Retailer
-
$857 NZD
A
Retailer 2
-
$898 NZD
View
A
Retailer 3
-
$913 NZD
View
A
Retailer 4
-
$1,007 NZD
View
A
Retailer 5
-
$1,026 NZD
View
A
Retailer 6
-
$1,114 NZD
View
B+
Retailer 7
-
$1,220 NZD
View
B+
Retailer 8
-
$1,304 NZD
View
Most Expensive
B
Frank Darling
2682007HK · Nov 6
$1,621 NZD
$911 USD
View
8 more retailers have this diamond
Prices start from $857 NZDSave up to $763 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.

A
0.51ct Emerald
$857 NZD