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Emerald|Natural|GIA

1.51ct H SI1 Emerald Natural Diamond

ID • H/SI1 • GIA 3565704129

Certificate GIA 3565704129

Diamond specifications and retailer prices

From £2,571 GBP
$3,445 USD
As of October 31, 2026
Save £2,036 GBP (44%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,607 GBP at Helzberg Diamonds · As of November 1, 2026
View at Helzberg 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 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 3565704129. Listed at 10 retailers as of October 31, 2026, with prices from £2,571 to £4,607, a £2,036 spread on the same certified stone. Helzberg Diamonds lists it at £4,607. 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
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 3565704129
Dimensions7.72 × 5.42 × 3.64 mm
L/W Ratio1.42
Top View
7.72 mm5.42 mm1.51 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3565704129
Side View
Table 66.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 67.2%

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 31
Current: £4,607 GBP|Low: £2,571 GBP|High: £4,607 GBP|Avg: £3,123 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5£2,571 GBP
Retailer 8£2,613 GBP
Retailer 7£2,748 GBP
Retailer 10£2,808 GBP
Retailer 3£2,997 GBP
Retailer 6£3,178 GBP
Retailer 9£3,302 GBP
Retailer 2£3,312 GBP
Retailer 4£4,336 GBP
Helzberg Diamonds£4,607 GBP

5 data points across 10 retailers

10 retailers£2,571 GBP to £4,607 GBP

A
Cheapest Retailer
-
£2,571 GBP
$3,445 USD
A
Retailer 2
-
£2,613 GBP
$3,501 USD
View
A
Retailer 3
-
£2,748 GBP
$3,682 USD
View
A
Retailer 4
-
£2,808 GBP
SGD 5,085 SGD
View
A
Retailer 5
-
£2,997 GBP
View
A
Retailer 6
-
£3,178 GBP
$4,258 USD
View
A
Retailer 7
-
£3,302 GBP
$4,425 USD
View
A
Retailer 8
-
£3,312 GBP
€4,226 EUR
View
B+
Retailer 9
-
£4,336 GBP
$5,810 USD
View
Most Expensive
B+
Helzberg Diamonds
XZRJLMLNGKHIP · Nov 1
£4,607 GBP
$6,173 USD
View
9 more retailers have this diamond
Prices start from £2,571 GBPSave up to £2,036 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
£2,571 GBP