Round|Natural|GIA

1.51ct K VVS2 Round Natural Diamond

EX • K/VVS2 • GIA 6505211840

Certificate GIA 6505211840

Diamond specifications and retailer prices

From £6,178 GBP
As of November 4, 2026
Save £4,378 GBP (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £11,295 GBP at NZ Jewellers · As of September 21, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 6505211840. Listed at 14 retailers as of November 4, 2026, with a 71% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
K
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6505211840
Dimensions7.30 × 7.26 × 4.57 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
7.30 mm7.26 mm1.51 ctK / VVS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6505211840
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.8%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: £8,290 GBP|Low: £6,178 GBP|High: £10,712 GBP|Avg: £7,805 GBP|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9£6,178 GBP
Retailer 11£6,345 GBP
Retailer 2£6,358 GBP
Retailer 12£6,720 GBP
Retailer 3£6,777 GBP
Retailer 10£6,833 GBP
Retailer 5£7,290 GBP
Retailer 1£8,290 GBP
Retailer 7£8,473 GBP
Retailer 4£8,919 GBP
Retailer 6£9,887 GBP
Retailer 8£10,556 GBP

26 data points across 12 retailers

14 retailers£6,178 GBP to £10,556 GBP

B+
Cheapest Retailer
-
£6,178 GBP
B+
Retailer 2
-
£6,345 GBP
View
B
Retailer 3
-
£6,358 GBP
View
B
Retailer 4
-
£6,720 GBP
View
B
Retailer 5
-
£6,833 GBP
View
B
Retailer 6
-
£7,290 GBP
View
Retailer 7
-
£7,342 GBP
View
Price last confirmed 49 days ago
B
Retailer 8
-
£8,290 GBP
View
Retailer 9
-
£8,472 GBP
View
Price last confirmed 45 days ago
B
Retailer 10
-
£8,473 GBP
View
Retailer 11
-
£8,919 GBP
View
Price last confirmed 14 days ago
B
Retailer 12
-
£9,887 GBP
View
B
Retailer 13
-
£10,556 GBP
View
Most Expensive
NZ Jewellers
53cedf8c-5ea4-4aba-bd15-d9546fb7b409 · Sep 21
£11,295 GBP
$15,202 USD
View
Price last confirmed 46 days ago
13 more retailers have this diamond
Prices start from £6,178 GBPSave up to £4,378 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+
1.51ct Round
£6,178 GBP