Emerald|Natural|GIA

0.51ct D SI2 Emerald Natural Diamond

EX • D/SI2 • GIA 2566197575

Certificate GIA 2566197575

Diamond specifications and retailer prices

From $482 USD
As of November 6, 2026
Save $429 USD (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $911 USD 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 $482 to $911, a $429 spread on the same certified stone. Frank Darling lists it at $911. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $911 USD|Low: $300 USD|High: $918 USD|Avg: $598 USD|-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$300 USD
Retailer 8$482 USD
Retailer 9$505 USD
Retailer 4$513 USD
Retailer 6$566 USD
Retailer 3$577 USD
Retailer 5$626 USD
Retailer 2$686 USD
Retailer 7$733 USD
Frank Darling$911 USD

44 data points across 10 retailers

9 retailers$482 USD to $911 USD

A
Cheapest Retailer
-
$482 USD
A
Retailer 2
-
$505 USD
View
A
Retailer 3
-
$513 USD
View
A
Retailer 4
-
$566 USD
View
A
Retailer 5
-
$577 USD
View
A
Retailer 6
-
$626 USD
View
B+
Retailer 7
-
$686 USD
View
B+
Retailer 8
-
$733 USD
View
Most Expensive
B
Frank Darling
2682007HK · Nov 6
$911 USD
View
8 more retailers have this diamond
Prices start from $482 USDSave up to $429 USD

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
$482 USD