CaratHunter
Plans
Cushion|Natural|GIA

3.00ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6551048193

Certificate GIA 6551048193

Diamond specifications and retailer prices

From £10,356 GBP
As of November 6, 2026
Save £8,495 GBP (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £18,850 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3ct natural cushion diamond

This 3ct natural cushion sits in the three to five carat band, graded J 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 6551048193. Listed at 12 retailers as of November 4, 2026, with prices from £10,356 to £18,850, a £8,495 spread on the same certified stone. MOH London lists it at £18,850. 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

3.00
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551048193
Dimensions8.26 × 7.49 × 5.37 mm
L/W Ratio1.10
Top View
8.26 mm7.49 mm3.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551048193
Side View
Table 61.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 71.7%

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: £18,850 GBP|Low: £10,356 GBP|High: £19,613 GBP|Avg: £13,902 GBP|-3.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2£10,356 GBP
Retailer 11£12,281 GBP
Retailer 6£12,555 GBP
Retailer 3£12,700 GBP
Retailer 9£12,802 GBP
Retailer 8£13,063 GBP
Retailer 10£13,358 GBP
Retailer 7£13,688 GBP
Retailer 4£14,601 GBP
Retailer 5£15,579 GBP
MOH London£18,850 GBP

33 data points across 11 retailers

12 retailers£10,356 GBP to £18,850 GBP

A
Cheapest Retailer
-
£10,356 GBP
A
Retailer 2
-
£11,434 GBP
View
A
Retailer 3
-
£12,281 GBP
View
A
Retailer 4
-
£12,555 GBP
View
Retailer 5
-
£12,700 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
£12,802 GBP
View
Final sale: no returns
B+
Retailer 7
-
£13,063 GBP
View
Retailer 8
-
£13,358 GBP
View
Price last confirmed 13 days ago
B+
Retailer 9
-
£13,688 GBP
View
B+
Retailer 10
-
£14,601 GBP
View
B+
Retailer 11
-
£15,579 GBP
View
Most Expensive
B
MOH London
4C17173C1 · Nov 4
£18,850 GBP
View
11 more retailers have this diamond
Prices start from £10,356 GBPSave up to £8,495 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
3.00ct Cushion
£10,356 GBP