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Emerald|Natural|GIA

0.51ct H SI1 Emerald Natural Diamond

VG • H/SI1 • GIA 5231944281

Certificate GIA 5231944281

Diamond specifications and retailer prices

From £360 GBP
SGD 652 SGD
As of October 30, 2026
Save £320 GBP (47%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £680 GBP at Frank Darling · As of October 30, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 5231944281. Listed at 12 retailers as of October 30, 2026, with prices from £360 to £680, a £320 spread on the same certified stone. Frank Darling lists it at £680. 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
H
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5231944281
Dimensions5.38 × 3.90 × 2.57 mm
L/W Ratio1.38
Top View
5.38 mm3.90 mm0.51 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231944281
Side View
Table 70.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.9%

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: Oct 30
Current: £680 GBP|Low: £360 GBP|High: £687 GBP|Avg: £480 GBP|-1.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 11£360 GBP
Retailer 10£377 GBP
Retailer 9£398 GBP
Retailer 8£423 GBP
Retailer 4£434 GBP
Retailer 7£468 GBP
Retailer 6£503 GBP
Retailer 5£516 GBP
Retailer 2£528 GBP
Retailer 3£544 GBP
Frank Darling£680 GBP

42 data points across 11 retailers

12 retailers£360 GBP to £680 GBP

A
Cheapest Retailer
-
£360 GBP
SGD 652 SGD
A
Retailer 2
-
£377 GBP
SGD 682 SGD
View
B+
Retailer 3
-
£398 GBP
$533 USD
View
B+
Retailer 4
-
£423 GBP
View
B+
Retailer 5
-
£434 GBP
View
B
Retailer 6
-
£458 GBP
$613 USD
View
B
Retailer 7
-
£468 GBP
$627 USD
View
B
Retailer 8
-
£503 GBP
$674 USD
View
B
Retailer 9
-
£516 GBP
€658 EUR
View
B
Retailer 10
-
£528 GBP
$708 USD
View
B
Retailer 11
-
£544 GBP
$729 USD
View
Most Expensive
C
Frank Darling
2635306HK · Oct 30
£680 GBP
$911 USD
View
11 more retailers have this diamond
Prices start from £360 GBPSave up to £320 GBP

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
£360 GBP