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Cushion|Natural|GIA

3.07ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 2166739419

Certificate GIA 2166739419

Diamond specifications and retailer prices

From £18,759 GBP
As of November 6, 2026
Save £4,867 GBP (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £23,626 GBP at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 3.07ct natural cushion diamond

This 3.07ct natural cushion sits in the three to five carat band, graded I 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 2166739419. Listed at 3 retailers as of November 5, 2026, with prices from £18,759 to £23,626, a £4,867 spread on the same certified stone. 77 Diamonds lists it at £23,626. 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

3.07
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2166739419
Dimensions8.67 × 7.95 × 5.36 mm
L/W Ratio1.09
Top View
8.67 mm7.95 mm3.07 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2166739419
Side View
Table 61.0%CrownGirdlePavilionCuletDepth 67.5%

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: Nov 6
Current: £23,626 GBP|Low: £18,759 GBP|High: £24,102 GBP|Avg: £21,332 GBP|+0.5%
77 Diamonds
Retailer 2
November 5, 2026
Retailer 2£18,759 GBP
77 Diamonds£23,626 GBP

36 data points across 2 retailers

3 retailers£18,759 GBP to £23,626 GBP

A
Cheapest Retailer
-
£18,759 GBP
B+
Retailer 2
-
£20,197 GBP
View
Most Expensive
B+
77 Diamonds
CUSMBEAJNBGCJ · Nov 5
£23,626 GBP
View
2 more retailers have this diamond
Prices start from £18,759 GBPSave up to £4,867 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
3.07ct Cushion
£18,759 GBP