Round|Natural|GIA

0.33ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2566292430

Certificate GIA 2566292430

Diamond specifications and retailer prices

From £239 GBP
$320 USD
As of October 31, 2026
Save £846 GBP (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,085 GBP at NZ Jewellers · As of October 29, 2026
View at NZ Jewellers

About this 0.33ct natural round diamond

This 0.33ct natural round sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566292430. Listed at 16 retailers as of October 29, 2026, with prices from £239 to £1,085, a £846 spread on the same certified stone. NZ Jewellers lists it at £1,085. 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

0.33
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2566292430
Dimensions4.42 × 4.45 × 2.79 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
4.42 mm4.45 mm0.33 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566292430
Side View
Table 55.0%Crown 34°Girdle: Med. - Sli. ThickPavilion 41.4°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £1,085 GBP|Low: £239 GBP|High: £1,128 GBP|Avg: £442 GBP|-3.8%
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
November 1, 2026
Retailer 6£239 GBP
Retailer 7£254 GBP
Retailer 15£283 GBP
Retailer 13£305 GBP
Retailer 4£306 GBP
Retailer 3£316 GBP
Retailer 9£367 GBP
Retailer 12£381 GBP
Retailer 5£381 GBP
Retailer 14£422 GBP
Retailer 10£439 GBP
Retailer 11£517 GBP
Retailer 2£573 GBP
Retailer 8£654 GBP
NZ Jewellers£1,085 GBP

22 data points across 15 retailers

16 retailers£239 GBP to £1,085 GBP

A
Cheapest Retailer
-
£239 GBP
$320 USD
A
Retailer 2
-
£254 GBP
$340 USD
View
A
Retailer 3
-
£283 GBP
$379 USD
View
A
Retailer 4
-
£305 GBP
$408 USD
View
A
Retailer 5
-
£306 GBP
$410 USD
View
A
Retailer 6
-
£316 GBP
$423 USD
View
B+
Retailer 7
-
£367 GBP
View
B+
Retailer 8
-
£381 GBP
$510 USD
View
B+
Retailer 9
-
£381 GBP
$511 USD
View
B+
Retailer 10
-
£422 GBP
$565 USD
View
B+
Retailer 11
-
£439 GBP
ZAR 9,500 ZAR
View
Retailer 12
-
£500 GBP
A$1,030 AUD
View
Price last confirmed 28 days ago
B
Retailer 13
-
£517 GBP
€660 EUR
View
B
Retailer 14
-
£573 GBP
View
B
Retailer 15
-
£654 GBP
View
Most Expensive
B
NZ Jewellers
c6d43782-0775-45c8-8308-1876d6cb4d1d · Oct 29
£1,085 GBP
$1,454 USD
View
15 more retailers have this diamond
Prices start from £239 GBPSave up to £846 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
0.33ct Round
£239 GBP