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Emerald|Natural|GIA

1.51ct K SI1 Emerald Natural Diamond

EX • K/SI1 • GIA 2514871314

Certificate GIA 2514871314

Diamond specifications and retailer prices

From £1,791 GBP
As of November 4, 2026
Save £935 GBP (34%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,726 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.51ct natural emerald diamond

This 1.51ct natural emerald sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2514871314. Listed at 10 retailers as of November 4, 2026, with prices from £1,791 to £2,726, a £935 spread on the same certified stone. 77 Diamonds lists it at £2,726. 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

1.51
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Pavilion angle45.8°
OriginNatural
Grading LabGIA
CertificateGIA 2514871314
Dimensions7.56 × 5.48 × 3.75 mm
L/W Ratio1.38
Top View
7.56 mm5.48 mm1.51 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2514871314
Side View
Table 67.0%CrownGirdle: MED-STKPavilion 45.8°Culet: NoneDepth 68.4%

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 4
Current: £2,726 GBP|Low: £1,791 GBP|High: £3,754 GBP|Avg: £2,342 GBP|+11.9%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 9£1,791 GBP
Retailer 5£1,808 GBP
Retailer 10£1,872 GBP
Retailer 14£1,892 GBP
Retailer 11£1,915 GBP
Retailer 13£2,092 GBP
Retailer 4£2,281 GBP
Retailer 8£2,298 GBP
Retailer 12£2,355 GBP
Retailer 2£2,375 GBP
Retailer 7£2,569 GBP
77 Diamonds£2,726 GBP
Retailer 6£3,006 GBP
Retailer 3£3,754 GBP

34 data points across 14 retailers

10 retailers£1,791 GBP to £2,726 GBP

A
Cheapest Retailer
-
£1,791 GBP
A
Retailer 2
-
£1,872 GBP
View
Retailer 3
-
£1,892 GBP
View
Price last confirmed 58 days ago
Retailer 4
-
£1,915 GBP
View
Price last confirmed 9 days ago
Retailer 5
-
£2,298 GBP
View
Price last confirmed 21 days ago
B+
Retailer 6
-
£2,298 GBP
View
B+
Retailer 7
-
£2,355 GBP
View
B+
Retailer 8
-
£2,375 GBP
View
Retailer 9
-
£2,569 GBP
View
Price last confirmed 9 days ago
Most Expensive
B+
77 Diamonds
EMMBFDBGDUCM · Nov 6
£2,726 GBP
View
9 more retailers have this diamond
Prices start from £1,791 GBPSave up to £935 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
£1,791 GBP