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Cushion|Natural|GIA

0.52ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 1209703990

Certificate GIA 1209703990

Diamond specifications and retailer prices

From £490 GBP
$656 USD
As of October 31, 2026
Save £222 GBP (31%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £712 GBP at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 0.52ct natural cushion diamond

This 0.52ct natural cushion sits in the half to three-quarter 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 1209703990. Listed at 3 retailers as of October 31, 2026, with prices from £490 to £712, a £222 spread on the same certified stone. 77 Diamonds lists it at £712. 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

0.52
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1209703990
Dimensions4.63 × 4.58 × 3.10 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal
Top View
4.63 mm4.58 mm0.52 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 1209703990
Side View
Table 59.0%CrownGirdle: THN-THKPavilionCuletDepth 67.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £712 GBP|Low: £483 GBP|High: £714 GBP|Avg: £599 GBP|+2.2%
77 Diamonds
Retailer 2
November 2, 2026
Retailer 2£490 GBP
77 Diamonds£712 GBP

36 data points across 2 retailers

3 retailers£490 GBP to £712 GBP

B+
Cheapest Retailer
-
£490 GBP
$656 USD
B
Retailer 2
-
£572 GBP
$767 USD
View
Most Expensive
B
77 Diamonds
CUSZXJSDF8GZ · Nov 2
£712 GBP
View
2 more retailers have this diamond
Prices start from £490 GBPSave up to £222 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.

B+
0.52ct Cushion
£490 GBP