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Round|Natural|GIA

1.51ct D VS2 Round Natural Diamond

EX • D/VS2 • GIA 6551425399

Certificate GIA 6551425399

Diamond specifications and retailer prices

From £6,922 GBP
As of November 4, 2026
Save £5,288 GBP (43%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £13,396 GBP at NZ Jewellers · As of October 9, 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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6551425399. Listed at 19 retailers as of November 4, 2026, with a 76% 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
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6551425399
Dimensions7.39 × 7.35 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.39 mm7.35 mm1.51 ctD / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551425399
Side View
Table 60.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

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: Nov 4
Current: £13,396 GBP|Low: £6,922 GBP|High: £13,396 GBP|Avg: £9,203 GBP
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
Retailer 22
November 5, 2026
Retailer 18£6,922 GBP
Retailer 11£6,945 GBP
Retailer 5£7,214 GBP
Retailer 7£7,357 GBP
Retailer 14£7,590 GBP
Retailer 6£7,708 GBP
Retailer 20£7,725 GBP
Retailer 19£7,745 GBP
Retailer 21£7,839 GBP
Retailer 2£7,958 GBP
Retailer 9£8,107 GBP
Retailer 17£8,668 GBP
Retailer 12£8,819 GBP
Retailer 16£9,002 GBP
Retailer 4£9,392 GBP
Retailer 8£9,525 GBP
Retailer 22£9,836 GBP
Retailer 3£10,040 GBP
Retailer 15£10,782 GBP
Retailer 10£11,666 GBP
Retailer 13£12,210 GBP
NZ Jewellers£13,396 GBP

26 data points across 22 retailers

19 retailers£6,922 GBP to £12,210 GBP

A
Cheapest Retailer
-
£6,922 GBP
Retailer 2
-
£6,945 GBP
View
Price last confirmed 29 days ago
A
Retailer 3
-
£7,214 GBP
View
Retailer 4
-
£7,590 GBP
View
Price last confirmed 21 days ago
A
Retailer 5
-
£7,708 GBP
View
A
Retailer 6
-
£7,725 GBP
View
A
Retailer 7
-
£7,745 GBP
View
A
Retailer 8
-
£7,839 GBP
View
Final sale: no returns
A
Retailer 9
-
£7,958 GBP
View
A
Retailer 10
-
£8,107 GBP
View
A
Retailer 11
-
£8,668 GBP
View
Retailer 12
-
£8,819 GBP
View
Price last confirmed 32 days ago
A
Retailer 13
-
£9,002 GBP
View
A
Retailer 14
-
£9,392 GBP
View
B+
Retailer 15
-
£9,836 GBP
View
A
Retailer 16
-
£10,040 GBP
View
Retailer 17
-
£11,666 GBP
View
Price last confirmed 19 days ago
B+
Retailer 18
-
£12,210 GBP
View
Most Expensive
NZ Jewellers
0859cbbe-c0ee-49f2-9e78-480a20ff7795 · Oct 9
£13,396 GBP
$18,084 USD
View
Price last confirmed 27 days ago
18 more retailers have this diamond
Prices start from £6,922 GBPSave up to £5,288 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
£6,922 GBP