Emerald|Natural|GIA

1.51ct J SI1 Emerald Natural Diamond

EX • J/SI1 • GIA 1236771307

Certificate GIA 1236771307

Diamond specifications and retailer prices

From £2,286 GBP
As of October 30, 2026
Save £1,841 GBP (45%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,126 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural emerald diamond

This 1.51ct natural emerald sits in the one-and-a-half to two carat band, graded J 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 1236771307. Listed at 7 retailers as of October 30, 2026, with prices from £2,286 to £4,126, a £1,841 spread on the same certified stone. NZ Jewellers lists it at £4,126. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceFaint
Crown angle43.59°
Pavilion angle55.44°
OriginNatural
Grading LabGIA
CertificateGIA 1236771307
Dimensions7.68 × 5.57 × 3.69 mm
L/W Ratio1.38
Top View
7.68 mm5.57 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceFaint
CertificateGIA 1236771307
Side View
Table 68.0%Crown 43.59°Girdle: Slightly ThickPavilion 55.44°Culet: NoneDepth 66.3%

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 30
Current: £4,126 GBP|Low: £2,286 GBP|High: £4,262 GBP|Avg: £2,889 GBP|-3.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2£2,286 GBP
Retailer 3£2,299 GBP
Retailer 8£2,300 GBP
Retailer 5£2,369 GBP
Retailer 4£2,460 GBP
Retailer 7£2,587 GBP
Retailer 9£2,766 GBP
Retailer 10£2,873 GBP
Retailer 6£3,982 GBP
NZ Jewellers£4,126 GBP

37 data points across 10 retailers

7 retailers£2,286 GBP to £4,126 GBP

A
Cheapest Retailer
-
£2,286 GBP
A
Retailer 2
-
£2,299 GBP
$3,080 USD
View
A
Retailer 3
-
£2,369 GBP
$3,174 USD
View
A
Retailer 4
-
£2,460 GBP
$3,296 USD
View
Retailer 5
-
£2,587 GBP
A$5,333 AUD
View
Price last confirmed 27 days ago
B
Retailer 6
-
£3,982 GBP
View
Most Expensive
B
NZ Jewellers
595348a7-0659-4fda-80e0-292414f1f406 · Oct 30
£4,126 GBP
$5,529 USD
View
6 more retailers have this diamond
Prices start from £2,286 GBPSave up to £1,841 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
£2,286 GBP