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Cushion|Natural|GIA

1.02ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 5242049547

Certificate GIA 5242049547

Diamond specifications and retailer prices

From £1,087 GBP
₹138,769 INR
As of October 31, 2026
Save £1,420 GBP (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,507 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.02ct natural cushion diamond

This 1.02ct natural cushion sits in the classic one-carat band, graded D 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 5242049547. Listed at 17 retailers as of October 29, 2026, with prices from £1,087 to £2,507, a £1,420 spread on the same certified stone. MOH London lists it at £2,507. 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

1.02
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5242049547
Dimensions5.86 × 5.54 × 3.65 mm
L/W Ratio1.06
Top View
5.86 mm5.54 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242049547
Side View
Table 62.0%CrownGirdle: ThickPavilionCulet: NoneDepth 65.9%

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: £2,507 GBP|Low: £1,087 GBP|High: £2,524 GBP|Avg: £1,521 GBP|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 2£1,087 GBP
Retailer 4£1,240 GBP
Retailer 6£1,265 GBP
Retailer 5£1,306 GBP
Retailer 7£1,314 GBP
Retailer 13£1,317 GBP
Retailer 17£1,385 GBP
Retailer 14£1,393 GBP
Retailer 3£1,423 GBP
Retailer 15£1,459 GBP
Retailer 8£1,526 GBP
Retailer 11£1,548 GBP
Retailer 16£1,555 GBP
Retailer 12£1,750 GBP
Retailer 9£1,900 GBP
Retailer 10£1,944 GBP
MOH London£2,507 GBP

22 data points across 17 retailers

17 retailers£1,087 GBP to £2,507 GBP

A
Cheapest Retailer
-
£1,087 GBP
₹138,769 INR
A
Retailer 2
-
£1,240 GBP
$1,662 USD
View
Retailer 3
-
£1,265 GBP
$1,695 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
£1,306 GBP
$1,750 USD
View
A
Retailer 5
-
£1,314 GBP
$1,760 USD
View
Final sale: no returns
A
Retailer 6
-
£1,317 GBP
$1,764 USD
View
A
Retailer 7
-
£1,385 GBP
$1,856 USD
View
A
Retailer 8
-
£1,393 GBP
View
A
Retailer 9
-
£1,423 GBP
$1,907 USD
View
A
Retailer 10
-
£1,459 GBP
$1,955 USD
View
A
Retailer 11
-
£1,526 GBP
$2,045 USD
View
A
Retailer 12
-
£1,548 GBP
View
A
Retailer 13
-
£1,555 GBP
$2,084 USD
View
A
Retailer 14
-
£1,750 GBP
ZAR 37,876 ZAR
View
Retailer 15
-
£1,900 GBP
A$3,916 AUD
View
Price last confirmed 26 days ago
B+
Retailer 16
-
£1,944 GBP
€2,481 EUR
View
Most Expensive
B+
MOH London
3CE8E0FD7 · Oct 29
£2,507 GBP
View
16 more retailers have this diamond
Prices start from £1,087 GBPSave up to £1,420 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
1.02ct Cushion
£1,087 GBP