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Cushion|Natural|GIA

0.37ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2556425613

Certificate GIA 2556425613

Diamond specifications and retailer prices

From £389 GBP
SGD 705 SGD
As of October 31, 2026
Save £577 GBP (60%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £967 GBP at Queensmith · As of October 28, 2026
View at Queensmith

About this 0.37ct natural cushion diamond

This 0.37ct natural cushion sits in the sub-half-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 2556425613. Listed at 12 retailers as of October 28, 2026, with prices from £389 to £967, a £577 spread on the same certified stone. Queensmith lists it at £967. 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

0.37
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556425613
Dimensions4.07 × 4.08 × 2.70 mm
L/W Ratio1.00
Top View
4.07 mm4.08 mm0.37 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556425613
Side View
Table 64.0%CrownGirdlePavilionCulet: NoneDepth 66.3%

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: £967 GBP|Low: £389 GBP|High: £1,008 GBP|Avg: £650 GBP|+1.5%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 9£389 GBP
Retailer 7£501 GBP
Retailer 5£504 GBP
Retailer 11£526 GBP
Retailer 12£552 GBP
Retailer 3£562 GBP
Retailer 2£600 GBP
Retailer 6£625 GBP
Retailer 4£648 GBP
Retailer 8£818 GBP
Retailer 10£936 GBP
Queensmith£967 GBP

29 data points across 12 retailers

12 retailers£389 GBP to £967 GBP

A
Cheapest Retailer
-
£389 GBP
SGD 705 SGD
B+
Retailer 2
-
£501 GBP
$671 USD
View
B+
Retailer 3
-
£504 GBP
View
B+
Retailer 4
-
£526 GBP
$705 USD
View
B+
Retailer 5
-
£552 GBP
View
B+
Retailer 6
-
£562 GBP
$754 USD
View
B+
Retailer 7
-
£600 GBP
€766 EUR
View
B+
Retailer 8
-
£625 GBP
ZAR 13,527 ZAR
View
Retailer 9
-
£648 GBP
A$1,337 AUD
View
Price last confirmed 27 days ago
B
Retailer 10
-
£818 GBP
View
B
Retailer 11
-
£936 GBP
View
Most Expensive
B
Queensmith
2556425613 · Oct 28
£967 GBP
View
11 more retailers have this diamond
Prices start from £389 GBPSave up to £577 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
0.37ct Cushion
£389 GBP