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Emerald|Natural|GIA

1.51ct I SI2 Emerald Natural Diamond

EX • I/SI2 • GIA 2221421051

Certificate GIA 2221421051

Diamond specifications and retailer prices

From £4,143 GBP
$5,551 USD
As of October 31, 2026
Save £1,388 GBP (25%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £5,531 GBP at 77 Diamonds · As of October 31, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2221421051. Listed at 4 retailers as of October 31, 2026, with prices from £4,143 to £5,531, a £1,388 spread on the same certified stone. 77 Diamonds lists it at £5,531. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2221421051
Dimensions7.94 × 5.33 × 3.89 mm
L/W Ratio1.49
Culet sizeNone
Top View
7.94 mm5.33 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2221421051
Side View
Table 69.0%CrownGirdle: THN-ETKPavilionCulet: NoneDepth 72.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £5,531 GBP|Low: £4,090 GBP|High: £5,605 GBP|Avg: £4,840 GBP|+0.9%
77 Diamonds
Retailer 2
October 31, 2026
Retailer 2£4,143 GBP
77 Diamonds£5,531 GBP

21 data points across 2 retailers

4 retailers£4,143 GBP to £5,531 GBP

B+
Cheapest Retailer
-
£4,143 GBP
$5,551 USD
B+
Retailer 2
-
£4,341 GBP
$5,816 USD
View
B+
Retailer 3
-
£4,450 GBP
$5,963 USD
View
Most Expensive
B
77 Diamonds
EMZQCVJTTGQ · Oct 31
£5,531 GBP
View
3 more retailers have this diamond
Prices start from £4,143 GBPSave up to £1,388 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+
1.51ct Emerald
£4,143 GBP