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Round|Natural|GIA

1.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6237692072

Certificate GIA 6237692072

Diamond specifications and retailer prices

From £5,269 GBP
$7,060 USD
As of November 1, 2026
Save £6,364 GBP (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £11,633 GBP at NZ Jewellers · As of October 30, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6237692072. Listed at 16 retailers as of October 30, 2026, with prices from £5,269 to £11,633, a £6,364 spread on the same certified stone. NZ Jewellers lists it at £11,633. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6237692072
Dimensions7.32 × 7.36 × 4.57 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.32 mm7.36 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6237692072
Side View
Table 58.0%Crown 34°Girdle: THN-STKPavilion 41.8°Culet: NoneDepth 62.2%

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 1
Current: £11,633 GBP|Low: £5,817 GBP|High: £11,633 GBP|Avg: £7,632 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6£5,817 GBP
Retailer 8£6,301 GBP
Retailer 2£6,392 GBP
Retailer 5£6,398 GBP
Retailer 3£7,190 GBP
Retailer 7£7,271 GBP
Retailer 4£9,694 GBP
NZ Jewellers£11,633 GBP

42 data points across 8 retailers

16 retailers£5,269 GBP to £11,633 GBP

B+
Cheapest Retailer
-
£5,269 GBP
$7,060 USD
B+
Retailer 2
-
£5,446 GBP
$7,297 USD
View
B+
Retailer 3
-
£5,711 GBP
CA$10,627 CAD
View
B+
Retailer 4
-
£5,817 GBP
$7,794 USD
View
B+
Retailer 5
-
£6,301 GBP
$8,443 USD
View
B+
Retailer 6
-
£6,392 GBP
View
B+
Retailer 7
-
£6,398 GBP
$8,573 USD
View
B
Retailer 8
-
£6,678 GBP
$8,948 USD
View
B+
Retailer 9
-
£6,911 GBP
$9,260 USD
View
B+
Retailer 10
-
£6,911 GBP
$9,260 USD
View
B+
Retailer 11
-
£7,142 GBP
$9,570 USD
View
B+
Retailer 12
-
£7,190 GBP
€9,175 EUR
View
B+
Retailer 13
-
£7,271 GBP
$9,742 USD
View
Retailer 14
-
£7,659 GBP
$10,262 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
£9,694 GBP
View
Most Expensive
B
NZ Jewellers
a8f473e6-c5cb-4ac2-ae1b-0c820d56e09c · Oct 30
£11,633 GBP
$15,587 USD
View
15 more retailers have this diamond
Prices start from £5,269 GBPSave up to £6,364 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
£5,269 GBP