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Cushion|Natural|GIA

1.51ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 3555043112

Certificate GIA 3555043112

Diamond specifications and retailer prices

From £1,997 GBP
₹253,248 INR
As of October 29, 2026
Save £658 GBP (25%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,654 GBP at GemTrove · As of October 29, 2026
View at GemTrove

About this 1.51ct natural cushion diamond

This 1.51ct 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 3555043112. Listed at 8 retailers as of October 29, 2026, with prices from £1,997 to £2,654, a £658 spread on the same certified stone. GemTrove lists it at £2,654. 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

1.51
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555043112
Dimensions6.39 × 6.12 × 4.34 mm
L/W Ratio1.04
Top View
6.39 mm6.12 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555043112
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 70.9%

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 29
Current: £2,210 GBP|Low: £1,846 GBP|High: £2,659 GBP|Avg: £2,169 GBP|-7.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 2£1,997 GBP
Retailer 3£2,046 GBP
Retailer 4£2,068 GBP
Retailer 6£2,098 GBP
Retailer 1£2,210 GBP
Retailer 5£2,410 GBP

45 data points across 6 retailers

8 retailers£1,997 GBP to £2,654 GBP

A
Cheapest Retailer
-
£1,997 GBP
₹253,248 INR
A
Retailer 2
-
£2,046 GBP
$2,724 USD
View
A
Retailer 3
-
£2,068 GBP
$2,754 USD
View
Final sale: no returns
A
Retailer 4
-
£2,098 GBP
MYR 11,381 MYR
View
A
Retailer 5
-
£2,210 GBP
View
A
Retailer 6
-
£2,410 GBP
SGD 4,337 SGD
View
A
Retailer 7
-
£2,522 GBP
A$5,168 AUD
View
Most Expensive
A
GemTrove
GT-N-00967728-98 · Oct 29
£2,654 GBP
A$5,438 AUD
View
7 more retailers have this diamond
Prices start from £1,997 GBPSave up to £658 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
1.51ct Cushion
£1,997 GBP