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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 €429 EUR
As of November 6, 2026
Save €382 EUR (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €812 EUR 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 €429 to €812, a €382 spread on the same certified stone. Frank Darling lists it at €812. 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: €812 EUR|Low: €267 EUR|High: €818 EUR|Avg: €532 EUR|-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€267 EUR
Retailer 8€429 EUR
Retailer 9€450 EUR
Retailer 4€457 EUR
Retailer 6€504 EUR
Retailer 3€514 EUR
Retailer 5€558 EUR
Retailer 2€611 EUR
Retailer 7€653 EUR
Frank Darling€812 EUR

44 data points across 10 retailers

9 retailers€429 EUR to €812 EUR

A
Cheapest Retailer
-
€429 EUR
A
Retailer 2
-
€450 EUR
View
A
Retailer 3
-
€457 EUR
View
A
Retailer 4
-
€504 EUR
View
A
Retailer 5
-
€514 EUR
View
A
Retailer 6
-
€558 EUR
View
B+
Retailer 7
-
€611 EUR
View
B+
Retailer 8
-
€653 EUR
View
Most Expensive
B
Frank Darling
2682007HK · Nov 6
€812 EUR
$911 USD
View
8 more retailers have this diamond
Prices start from €429 EURSave up to €382 EUR

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
€429 EUR