Round|Natural|GIA

0.53ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1553765377

Certificate GIA 1553765377

Diamond specifications and retailer prices

From £393 GBP
₹50,151 INR
As of October 31, 2026
Save £1,250 GBP (76%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,726 GBP at NZ Jewellers · As of September 1, 2026
View at NZ Jewellers

About this 0.53ct natural round diamond

This 0.53ct natural round sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1553765377. Listed at 25 retailers as of October 30, 2026, with a 318% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.53
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1553765377
Dimensions5.25 × 5.28 × 3.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.25 mm5.28 mm0.53 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553765377
Side View
Table 59.0%Crown 34°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 59.9%

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: £1,643 GBP|Low: £393 GBP|High: £1,687 GBP|Avg: £717 GBP|-2.7%
NZ Jewellers
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 13£393 GBP
Retailer 14£449 GBP
Retailer 8£483 GBP
Retailer 18£489 GBP
Retailer 9£500 GBP
Retailer 6£503 GBP
Retailer 16£517 GBP
Retailer 19£539 GBP
Retailer 11£544 GBP
Retailer 12£549 GBP
Retailer 3£571 GBP
Retailer 20£605 GBP
Retailer 10£626 GBP
Retailer 5£644 GBP
Retailer 2£650 GBP
Retailer 15£708 GBP
Retailer 7£725 GBP
Retailer 4£738 GBP
Retailer 17£1,216 GBP
Retailer 21£1,521 GBP
NZ Jewellers£1,643 GBP

18 data points across 21 retailers

25 retailers£393 GBP to £1,643 GBP

A
Cheapest Retailer
-
£393 GBP
₹50,151 INR
A
Retailer 2
-
£449 GBP
HK$4,700 HKD
View
A
Retailer 3
-
£483 GBP
$647 USD
View
Final sale: no returns
A
Retailer 4
-
£489 GBP
$655 USD
View
A
Retailer 5
-
£500 GBP
A$1,031 AUD
View
Retailer 6
-
£503 GBP
€642 EUR
View
Price last confirmed 6 days ago
A
Retailer 7
-
£517 GBP
$693 USD
View
A
Retailer 8
-
£539 GBP
SGD 976 SGD
View
A
Retailer 9
-
£544 GBP
$729 USD
View
A
Retailer 10
-
£549 GBP
SGD 994 SGD
View
Retailer 11
-
£550 GBP
$737 USD
View
Price last confirmed 55 days ago
Retailer 12
-
£552 GBP
$740 USD
View
Price last confirmed 26 days ago
A
Retailer 13
-
£571 GBP
$765 USD
View
A
Retailer 14
-
£605 GBP
$810 USD
View
A
Retailer 15
-
£626 GBP
View
Retailer 16
-
£635 GBP
$851 USD
View
Price last confirmed 56 days ago
B+
Retailer 17
-
£644 GBP
$863 USD
View
B+
Retailer 18
-
£650 GBP
View
B+
Retailer 19
-
£708 GBP
€903 EUR
View
B+
Retailer 20
-
£725 GBP
$971 USD
View
B+
Retailer 21
-
£738 GBP
$989 USD
View
B
Retailer 22
-
£1,216 GBP
View
B
Retailer 23
-
£1,521 GBP
CA$2,831 CAD
View
B
Retailer 24
-
£1,643 GBP
$2,201 USD
View
Most Expensive
NZ Jewellers
727d0893-1b88-4209-856f-2db241858072 · Sep 1
£1,726 GBP
$2,312 USD
View
Price last confirmed 61 days ago
24 more retailers have this diamond
Prices start from £393 GBPSave up to £1,250 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
0.53ct Round
£393 GBP