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Emerald|Natural|GIA

1.51ct I IF Emerald Natural Diamond

EX • I/IF • GIA 6551412608

Certificate GIA 6551412608

Diamond specifications and retailer prices

From £4,329 GBP
As of November 5, 2026
Save £795 GBP (16%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £5,124 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.51ct natural emerald diamond

This 1.51ct natural emerald sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551412608. Listed at 4 retailers as of November 5, 2026, with prices from £4,329 to £5,124, a £795 spread on the same certified stone. Blue Nile lists it at £5,124. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.9°
Pavilion angle57°
OriginNatural
Grading LabGIA
CertificateGIA 6551412608
Dimensions7.78 × 5.51 × 3.64 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeNone
Top View
7.78 mm5.51 mm1.51 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551412608
Side View
Table 69.0%Crown 47.9°Girdle: Slightly ThickPavilion 57°Culet: NoneDepth 66.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £5,124 GBP|Low: £4,329 GBP|High: £5,275 GBP|Avg: £4,803 GBP|-2.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 3£4,329 GBP
Retailer 4£4,489 GBP
Retailer 2£4,896 GBP
Blue Nile£5,124 GBP

34 data points across 4 retailers

4 retailers£4,329 GBP to £5,124 GBP

A
Cheapest Retailer
-
£4,329 GBP
A
Retailer 2
-
£4,489 GBP
View
A
Retailer 3
-
£4,896 GBP
View
Most Expensive
B+
Blue Nile
29304170 · Nov 5
£5,124 GBP
$6,917 USD
View
3 more retailers have this diamond
Prices start from £4,329 GBPSave up to £795 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
1.51ct Emerald
£4,329 GBP