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1.51ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 7552952260

Certificate GIA 7552952260

Diamond specifications and retailer prices

From £4,049 GBP
As of November 5, 2026
Save £1,065 GBP (21%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £5,113 GBP at GemTrove · As of November 6, 2026
View at GemTrove

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7552952260. Listed at 6 retailers as of November 5, 2026, with prices from £4,049 to £5,113, a £1,065 spread on the same certified stone. GemTrove lists it at £5,113. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7552952260
Dimensions7.29 × 7.34 × 4.51 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Twinning Wisp, Feather, Needle, Indented Natural
Top View
7.29 mm7.34 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7552952260
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.7%

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 5
Current: £4,601 GBP|Low: £4,049 GBP|High: £4,833 GBP|Avg: £4,424 GBP|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2£4,049 GBP
Retailer 3£4,316 GBP
Retailer 4£4,523 GBP
Retailer 1£4,601 GBP

46 data points across 4 retailers

6 retailers£4,049 GBP to £5,113 GBP

A
Cheapest Retailer
-
£4,049 GBP
A
Retailer 2
-
£4,316 GBP
View
A
Retailer 3
-
£4,523 GBP
View
A
Retailer 4
-
£4,601 GBP
View
A
Retailer 5
-
£4,806 GBP
View
Most Expensive
A
GemTrove
GT-N-01366589-98 · Nov 6
£5,113 GBP
A$10,588 AUD
View
5 more retailers have this diamond
Prices start from £4,049 GBPSave up to £1,065 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
£4,049 GBP