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Round|Natural|GIA

1.58ct G IF Round Natural Diamond

EX • G/IF • GIA 2506296112

Certificate GIA 2506296112

Diamond specifications and retailer prices

From £11,298 GBP
SGD 20,456 SGD
As of October 31, 2026
Save £4,954 GBP (30%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £16,252 GBP at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.58ct natural round diamond

This 1.58ct 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 top-tier cut grade and certified by GIA 2506296112. Listed at 2 retailers as of October 31, 2026, with prices from £11,298 to £16,252, a £4,954 spread on the same certified stone. Diamond Quarter lists it at £16,252. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2506296112
Dimensions7.41 × 7.45 × 4.62 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Top View
7.41 mm7.45 mm1.58 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2506296112
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £11,298 GBP|Low: £11,298 GBP|High: £11,369 GBP|Avg: £11,341 GBP|-0.4%
October 13, 2026
Retailer 1£11,298 GBP

5 data points across 1 retailer

2 retailers£11,298 GBP to £16,252 GBP

A
Cheapest Retailer
-
£11,298 GBP
SGD 20,456 SGD
Most Expensive
B
Diamond Quarter
1.58IFG25120835KG · Oct 31
£16,252 GBP
View
1 more retailer has this diamond
Prices start from £11,298 GBPSave up to £4,954 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
1.58ct Round
£11,298 GBP