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Round|Natural|GIA

1.51ct G IF Round Natural Diamond

VG • G/IF • GIA 2507160588

Certificate GIA 2507160588

Diamond specifications and retailer prices

From £6,676 GBP
As of November 4, 2026
Save £10,095 GBP (60%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £16,771 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by GIA 2507160588. Listed at 19 retailers as of November 4, 2026, with prices from £6,676 to £16,771, a £10,095 spread on the same certified stone. Diamond Quarter lists it at £16,771. 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

1.51
Carat
G
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle42°
OriginNatural
Grading LabGIA
CertificateGIA 2507160588
Dimensions7.21 × 7.11 × 4.63 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Top View
7.21 mm7.11 mm1.51 ctG / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2507160588
Side View
Table 61.0%Crown 35°Girdle: STK-THKPavilion 42°Culet: NoneDepth 64.6%

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: Nov 4
Current: £11,004 GBP|Low: £6,676 GBP|High: £12,571 GBP|Avg: £9,098 GBP|-1.8%
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
Retailer 16
Retailer 17
November 6, 2026
Retailer 4£6,676 GBP
Retailer 11£6,834 GBP
Retailer 8£7,702 GBP
Retailer 2£7,725 GBP
Retailer 10£8,009 GBP
Retailer 14£8,214 GBP
Retailer 5£8,326 GBP
Retailer 7£8,326 GBP
Retailer 9£8,506 GBP
Retailer 17£9,020 GBP
Retailer 3£9,159 GBP
Retailer 6£9,235 GBP
Retailer 12£9,442 GBP
Retailer 16£10,408 GBP
Retailer 1£11,004 GBP
Retailer 13£11,748 GBP
Retailer 15£12,571 GBP

32 data points across 17 retailers

19 retailers£6,676 GBP to £16,771 GBP

A
Cheapest Retailer
-
£6,676 GBP
A
Retailer 2
-
£6,834 GBP
View
Retailer 3
-
£7,566 GBP
View
Price last confirmed 25 days ago
A
Retailer 4
-
£7,702 GBP
View
A
Retailer 5
-
£7,725 GBP
View
A
Retailer 6
-
£8,009 GBP
View
A
Retailer 7
-
£8,214 GBP
View
Retailer 8
-
£8,326 GBP
View
Price last confirmed 8 days ago
A
Retailer 9
-
£8,326 GBP
View
Final sale: no returns
Retailer 10
-
£8,506 GBP
View
Price last confirmed 14 days ago
A
Retailer 11
-
£9,020 GBP
View
A
Retailer 12
-
£9,159 GBP
View
A
Retailer 13
-
£9,235 GBP
View
A
Retailer 14
-
£9,442 GBP
View
B+
Retailer 15
-
£10,408 GBP
View
B+
Retailer 16
-
£11,004 GBP
View
B+
Retailer 17
-
£11,748 GBP
View
B+
Retailer 18
-
£12,571 GBP
View
Most Expensive
B
Diamond Quarter
1.51IFG2588394AN · Nov 5
£16,771 GBP
View
18 more retailers have this diamond
Prices start from £6,676 GBPSave up to £10,095 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
£6,676 GBP