Round|Natural|GIA

0.51ct I VVS2 Round Natural Diamond

VG • I/VVS2 • GIA 2554181815

Certificate GIA 2554181815

Diamond specifications and retailer prices

From £329 GBP
As of November 4, 2026
Save £755 GBP (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,500 GBP at NZ Jewellers · As of September 1, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a very-good cut grade and certified by GIA 2554181815. Listed at 16 retailers as of November 2, 2026, with a 230% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
I
Colour
VVS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 2554181815
Dimensions4.97 × 5.01 × 3.21 mm
L/W Ratio1.01
Top View
4.97 mm5.01 mm0.51 ctI / VVS2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2554181815
Side View
Table 57.0%Crown 38.5°Girdle: Slightly ThickPavilion 40.2°Culet: NoneDepth 64.3%

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: Nov 4
Current: £1,471 GBP|Low: £319 GBP|High: £1,514 GBP|Avg: £677 GBP|-2.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 4£329 GBP
Retailer 7£350 GBP
Retailer 6£559 GBP
Retailer 3£561 GBP
Retailer 11£567 GBP
Retailer 2£569 GBP
Retailer 10£607 GBP
Retailer 12£615 GBP
Retailer 9£633 GBP
Retailer 5£724 GBP
Retailer 8£1,084 GBP
NZ Jewellers£1,471 GBP

29 data points across 12 retailers

16 retailers£329 GBP to £1,084 GBP

A
Cheapest Retailer
-
£329 GBP
Final sale: no returns
A
Retailer 2
-
£350 GBP
View
A
Retailer 3
-
£455 GBP
View
B+
Retailer 4
-
£559 GBP
View
B+
Retailer 5
-
£561 GBP
View
B+
Retailer 6
-
£567 GBP
View
B+
Retailer 7
-
£569 GBP
View
B+
Retailer 8
-
£607 GBP
View
B+
Retailer 9
-
£615 GBP
View
B+
Retailer 10
-
£633 GBP
View
Retailer 11
-
£636 GBP
View
Price last confirmed 32 days ago
B
Retailer 12
-
£724 GBP
View
Retailer 13
-
£970 GBP
View
Price last confirmed 25 days ago
B
Retailer 14
-
£1,084 GBP
View
Retailer 15
-
£1,471 GBP
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
a53309ab-21e7-45cd-bbbe-ef62babf39e5 · Sep 1
£1,500 GBP
$2,025 USD
View
Price last confirmed 64 days ago
15 more retailers have this diamond
Prices start from £329 GBPSave up to £755 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
0.51ct Round
£329 GBP