Emerald|Natural|GIA

0.51ct H SI1 Emerald Natural Diamond

EX • H/SI1 • GIA 1565363344

Certificate GIA 1565363344

Diamond specifications and retailer prices

From $323 USD
As of October 28, 2026
Save $762 USD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,085 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct natural emerald diamond

This 0.51ct natural emerald sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565363344. Listed at 14 retailers as of October 28, 2026, with prices from $323 to $1,085, a $762 spread on the same certified stone. MOH London lists it at $1,085. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1565363344
Dimensions5.77 × 3.60 × 2.41 mm
L/W Ratio1.60
Girdle conditionThick
Top View
5.77 mm3.60 mm0.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1565363344
Side View
Table 64.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 67.0%

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: Oct 28
Current: $1,085 USD|Low: $323 USD|High: $1,790 USD|Avg: $675 USD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 3$323 USD
Retailer 2$350 USD
Retailer 4$430 USD
Retailer 10$535 USD
Retailer 5$577 USD
Retailer 7$579 USD
Retailer 8$585 USD
Retailer 12$598 USD
Retailer 6$704 USD
Retailer 9$719 USD
MOH London$1,085 USD
Retailer 11$1,790 USD

26 data points across 12 retailers

14 retailers$323 USD to $1,085 USD

A
Cheapest Retailer
-
$323 USD
Final sale: no returns
A
Retailer 2
-
$350 USD
₹33,290 INR
View
A
Retailer 3
-
$430 USD
View
B+
Retailer 4
-
$535 USD
View
B+
Retailer 5
-
$577 USD
£454 GBP
View
B+
Retailer 6
-
$579 USD
£456 GBP
View
B+
Retailer 7
-
$585 USD
£461 GBP
View
B+
Retailer 8
-
$598 USD
View
B+
Retailer 9
-
$614 USD
View
B+
Retailer 10
-
$704 USD
€670 EUR
View
B+
Retailer 11
-
$719 USD
ZAR 11,621 ZAR
View
B
Retailer 12
-
$758 USD
A$1,166 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
FF02CDAAB · Oct 29
$1,085 USD
£854 GBP
View
12 more retailers have this diamond
Prices start from $323 USDSave up to $762 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
$323 USD