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Cushion|Natural|GIA

1.55ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 6412696418

Certificate GIA 6412696418

Diamond specifications and retailer prices

From £3,465 GBP
$4,643 USD
As of October 31, 2026
Save £349 GBP (9%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £3,814 GBP at Jared · As of October 30, 2026
View at Jared

About this 1.55ct natural cushion diamond

This 1.55ct natural cushion sits in the one-and-a-half to two carat band, graded H 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 6412696418. Listed at 4 retailers as of October 30, 2026, with a relatively tight 10% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.55
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6412696418
Dimensions6.60 × 6.58 × 4.49 mm
L/W Ratio1.00
Top View
6.60 mm6.58 mm1.55 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6412696418
Side View
Table 65.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 68.3%

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: Oct 31
Current: £3,814 GBP|Low: £3,465 GBP|High: £4,483 GBP|Avg: £4,072 GBP|-6.9%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
September 26, 2026
Retailer 2£3,465 GBP
Retailer 3£3,687 GBP
Retailer 4£3,687 GBP
Jared£3,814 GBP
Retailer 5£4,483 GBP

11 data points across 5 retailers

4 retailers£3,465 GBP to £3,814 GBP

A
Cheapest Retailer
-
£3,465 GBP
$4,643 USD
B+
Retailer 2
-
£3,687 GBP
$4,940 USD
View
B+
Retailer 3
-
£3,687 GBP
$4,940 USD
View
Most Expensive
B+
Jared
143614799 · Oct 30
£3,814 GBP
$5,110 USD
View
3 more retailers have this diamond
Prices start from £3,465 GBPSave up to £349 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
1.55ct Cushion
£3,465 GBP