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Round|Natural|GIA

1.51ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2245037698

Certificate GIA 2245037698

Diamond specifications and retailer prices

From £2,577 GBP
$3,454 USD
As of October 21, 2026
8 retailers carry this diamond
Most expensive: £4,696 GBP at Wholesale Diamonds Direct · As of October 19, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245037698. Listed at 8 retailers as of October 19, 2026. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2245037698
Dimensions7.29 × 7.33 × 4.54 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.29 mm7.33 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245037698
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 21
Current: £4,259 GBP|Low: £2,577 GBP|High: £5,001 GBP|Avg: £3,460 GBP|-7.3%
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
Wholesale Diamonds Direct
October 22, 2026
Retailer 12£2,577 GBP
Retailer 9£2,598 GBP
Retailer 11£2,626 GBP
Retailer 2£2,755 GBP
Retailer 10£2,788 GBP
Retailer 5£2,813 GBP
Retailer 7£2,952 GBP
Retailer 13£3,275 GBP
Retailer 4£3,309 GBP
Retailer 6£3,312 GBP
Retailer 8£3,479 GBP
Retailer 1£4,259 GBP
Retailer 3£4,618 GBP
Wholesale Diamonds Direct£4,696 GBP

30 data points across 14 retailers

8 retailers£2,577 GBP to £4,696 GBP

Retailer 1
-
£2,577 GBP
$3,454 USD
Price last confirmed 11 days ago
Retailer 2
-
£2,755 GBP
$3,691 USD
View
Price last confirmed 9 days ago
Retailer 3
-
£2,788 GBP
$3,735 USD
View
Price last confirmed 14 days ago
Retailer 4
-
£2,813 GBP
SGD 5,094 SGD
View
Price last confirmed 11 days ago
Retailer 5
-
£2,952 GBP
View
Price last confirmed 10 days ago
Retailer 6
-
£3,479 GBP
View
Price last confirmed 9 days ago
Retailer 7
-
£4,618 GBP
$6,187 USD
View
Price last confirmed 11 days ago
Most Expensive
Wholesale Diamonds Direct
539238973 · Oct 19
£4,696 GBP
$6,293 USD
View
Price last confirmed 12 days ago
7 more retailers have this diamond

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.

1.51ct Round
£2,577 GBP