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Cushion|Natural|GIA

1.70ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 7551048834

Certificate GIA 7551048834

Diamond specifications and retailer prices

From £4,229 GBP
HK$44,000 HKD
As of October 29, 2026
Save £3,648 GBP (46%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £7,877 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct natural cushion diamond

This 1.7ct natural cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551048834. Listed at 12 retailers as of October 29, 2026, with prices from £4,229 to £7,877, a £3,648 spread on the same certified stone. MOH London lists it at £7,877. 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

1.70
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7551048834
Dimensions8.67 × 5.82 × 4.05 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural
Top View
8.67 mm5.82 mm1.70 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7551048834
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.5%

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 29
Current: £7,877 GBP|Low: £4,229 GBP|High: £8,669 GBP|Avg: £5,510 GBP|-9.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 11£4,229 GBP
Retailer 5£4,539 GBP
Retailer 12£4,863 GBP
Retailer 7£4,877 GBP
Retailer 8£5,190 GBP
Retailer 10£5,224 GBP
Retailer 2£5,301 GBP
Retailer 4£5,383 GBP
Retailer 9£5,482 GBP
Retailer 3£5,488 GBP
Retailer 6£6,134 GBP
MOH London£7,877 GBP

34 data points across 12 retailers

12 retailers£4,229 GBP to £7,877 GBP

A
Cheapest Retailer
-
£4,229 GBP
HK$44,000 HKD
A
Retailer 2
-
£4,539 GBP
₹575,649 INR
View
Retailer 3
-
£4,863 GBP
SGD 8,752 SGD
View
Price last confirmed 19 days ago
A
Retailer 4
-
£4,877 GBP
$6,494 USD
View
B+
Retailer 5
-
£5,190 GBP
$6,911 USD
View
Final sale: no returns
B+
Retailer 6
-
£5,224 GBP
SGD 9,401 SGD
View
B+
Retailer 7
-
£5,301 GBP
View
B+
Retailer 8
-
£5,383 GBP
$7,168 USD
View
B+
Retailer 9
-
£5,482 GBP
$7,300 USD
View
B+
Retailer 10
-
£6,037 GBP
A$12,368 AUD
View
B+
Retailer 11
-
£6,134 GBP
€7,780 EUR
View
Most Expensive
B
MOH London
3912FC065 · Oct 29
£7,877 GBP
View
11 more retailers have this diamond
Prices start from £4,229 GBPSave up to £3,648 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
1.70ct Cushion
£4,229 GBP