Round|Natural|GIA

1.51ct G VS2 Round Natural Diamond

EX • G/VS2 • GIA 6551332521

Certificate GIA 6551332521

Diamond specifications and retailer prices

From £6,056 GBP
As of November 5, 2026
Save £3,683 GBP (38%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £11,527 GBP at NZ Jewellers · As of September 10, 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 G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6551332521. Listed at 20 retailers as of November 4, 2026, with a 61% 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
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6551332521
Dimensions7.27 × 7.30 × 4.53 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.27 mm7.30 mm1.51 ctG / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551332521
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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 5
Current: £6,056 GBP|Low: £5,079 GBP|High: £9,739 GBP|Avg: £6,658 GBP|+4.3%
Retailer 1
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 5, 2026
Retailer 4£5,079 GBP
Retailer 15£5,353 GBP
Retailer 1£6,056 GBP
Retailer 2£6,269 GBP
Retailer 6£6,356 GBP
Retailer 9£6,422 GBP
Retailer 8£6,436 GBP
Retailer 11£6,467 GBP
Retailer 5£6,582 GBP
Retailer 13£7,009 GBP
Retailer 12£7,575 GBP
Retailer 14£7,716 GBP
Retailer 7£7,923 GBP
Retailer 3£8,148 GBP
Retailer 10£9,739 GBP

33 data points across 15 retailers

20 retailers£6,056 GBP to £9,739 GBP

Retailer 1
-
£5,318 GBP
Price last confirmed 25 days ago
Retailer 2
-
£5,353 GBP
View
Price last confirmed 8 days ago
A
Retailer 3
-
£6,056 GBP
View
Retailer 4
-
£6,269 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
£6,422 GBP
View
A
Retailer 6
-
£6,436 GBP
View
A
Retailer 7
-
£6,467 GBP
View
Final sale: no returns
Retailer 8
-
£6,582 GBP
View
Price last confirmed 20 days ago
A
Retailer 9
-
£6,599 GBP
View
Retailer 10
-
£6,719 GBP
View
Price last confirmed 42 days ago
Retailer 11
-
£6,892 GBP
View
Price last confirmed 56 days ago
A
Retailer 12
-
£7,009 GBP
View
B+
Retailer 13
-
£7,575 GBP
View
A
Retailer 14
-
£7,716 GBP
View
Retailer 15
-
£7,790 GBP
View
Price last confirmed 44 days ago
Retailer 16
-
£7,953 GBP
View
Price last confirmed 55 days ago
Retailer 17
-
£8,148 GBP
View
Price last confirmed 14 days ago
B
Retailer 18
-
£9,739 GBP
View
Retailer 19
-
£11,237 GBP
View
Price last confirmed 40 days ago
Most Expensive
NZ Jewellers
190f08f9-2a76-4f5d-83ce-1dfe92c3294e · Sep 10
£11,527 GBP
$15,561 USD
View
Price last confirmed 55 days ago
19 more retailers have this diamond
Prices start from £6,056 GBPSave up to £3,683 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
1.51ct Round
£6,056 GBP