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Emerald|Natural|GIA

1.03ct E SI2 Emerald Natural Diamond

EX • E/SI2 • GIA 2378453178

Certificate GIA 2378453178

Diamond specifications and retailer prices

From £2,459 GBP
As of November 4, 2026
Save £1,165 GBP (32%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £3,624 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.03ct natural emerald diamond

This 1.03ct natural emerald sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2378453178. Listed at 2 retailers as of November 4, 2026, with prices from £2,459 to £3,624, a £1,165 spread on the same certified stone. 77 Diamonds lists it at £3,624. 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

1.03
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2378453178
Dimensions6.33 × 5.05 × 3.49 mm
L/W Ratio1.25
Top View
6.33 mm5.05 mm1.03 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2378453178
Side View
Table 63.0%CrownGirdlePavilionCuletDepth 69.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: £3,624 GBP|Low: £2,426 GBP|High: £3,695 GBP|Avg: £3,064 GBP|-0.5%
77 Diamonds
Retailer 2
November 6, 2026
Retailer 2£2,459 GBP
77 Diamonds£3,624 GBP

36 data points across 2 retailers

2 retailers£2,459 GBP to £3,624 GBP

B
Cheapest Retailer
-
£2,459 GBP
Most Expensive
B
77 Diamonds
EMZZFXHXVCA · Nov 6
£3,624 GBP
View
1 more retailer has this diamond
Prices start from £2,459 GBPSave up to £1,165 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.

B
1.03ct Emerald
£2,459 GBP