Round|Natural|GIA

2.51ct D IF Round Natural Diamond

EX • D/IF • GIA 6452974194

Certificate GIA 6452974194

Diamond specifications and retailer prices

From $99,119 USD
£78,047 GBP
As of October 29, 2026
Save $3,420 USD (3%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $102,539 USD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6452974194. Listed at 2 retailers as of October 29, 2026, with a relatively tight 3% spread, which is unusual at this carat range and suggests competitive pricing across the listings. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

2.51
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6452974194
Dimensions8.66 × 8.70 × 5.44 mm
L/W Ratio1.00
Top View
8.66 mm8.70 mm2.51 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6452974194
Side View
Table 55.0%Crown 36°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 62.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $52,164 USD|Low: $50,852 USD|High: $62,075 USD|Avg: $58,263 USD|+2.6%
Retailer 1
Retailer 2
April 17, 2026
Retailer 1$52,164 USD
Retailer 2$61,423 USD

5 data points across 2 retailers

2 retailers$99,119 USD to $102,539 USD

B
Cheapest Retailer
-
$99,119 USD
£78,047 GBP
Most Expensive
B
Diamond Quarter
2.51IFD6494AA2EN · Oct 29
$102,539 USD
£80,739 GBP
View
1 more retailer has this diamond
Prices start from $99,119 USDSave up to $3,420 USD

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
2.51ct Round
$99,119 USD