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Cushion|Natural|GIA

0.70ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1236876649

Certificate GIA 1236876649

Diamond specifications and retailer prices

From £458 GBP
As of November 6, 2026
Save £192 GBP (30%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £650 GBP at Jared · As of November 6, 2026
View at Jared

About this 0.7ct natural cushion diamond

This 0.7ct natural cushion sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1236876649. Listed at 6 retailers as of November 6, 2026, with prices from £458 to £650, a £192 spread on the same certified stone. Jared lists it at £650. 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

0.70
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1236876649
Dimensions5.04 × 5.02 × 3.31 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Cloud, Crystal
Top View
5.04 mm5.02 mm0.70 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1236876649
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.0%

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: Nov 6
Current: £650 GBP|Low: £454 GBP|High: £702 GBP|Avg: £604 GBP|-7.4%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 4£458 GBP
Retailer 5£581 GBP
Retailer 2£584 GBP
Retailer 3£628 GBP
Retailer 6£628 GBP
Jared£650 GBP

41 data points across 6 retailers

6 retailers£458 GBP to £650 GBP

A
Cheapest Retailer
-
£458 GBP
A
Retailer 2
-
£581 GBP
View
A
Retailer 3
-
£584 GBP
View
A
Retailer 4
-
£628 GBP
View
A
Retailer 5
-
£628 GBP
View
Most Expensive
B+
Jared
158137143 · Nov 6
£650 GBP
$870 USD
View
5 more retailers have this diamond
Prices start from £458 GBPSave up to £192 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
0.70ct Cushion
£458 GBP