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Round|Natural|GIA

1.73ct D FL Round Natural Diamond

EX • D/FL • GIA 7516399356

Certificate GIA 7516399356

Diamond specifications and retailer prices

From £39,121 GBP
As of October 31, 2026
5 retailers carry this diamond
Most expensive: £39,121 GBP at Diamond Quarter
View at Diamond Quarter

About this 1.73ct natural round diamond

This 1.73ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 7516399356. Listed at 5 retailers as of October 31, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7516399356
Dimensions7.80 × 7.76 × 4.71 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Top View
7.80 mm7.76 mm1.73 ctD / FL
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7516399356
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: £23,951 GBP|Low: £17,499 GBP|High: £41,034 GBP|Avg: £24,977 GBP|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 30, 2026
Retailer 7£17,499 GBP
Retailer 2£18,444 GBP
Retailer 3£21,558 GBP
Retailer 5£22,748 GBP
Retailer 6£22,828 GBP
Retailer 1£23,951 GBP
Retailer 4£32,574 GBP
Retailer 8£41,034 GBP

13 data points across 8 retailers

5 retailers

Retailer 1
-
£21,467 GBP
$28,764 USD
Price last confirmed 34 days ago
Retailer 2
-
£23,886 GBP
$32,004 USD
View
Price last confirmed 32 days ago
Retailer 3
-
£24,645 GBP
$33,021 USD
View
Price last confirmed 33 days ago
Retailer 4
-
£25,592 GBP
$34,291 USD
View
Price last confirmed 32 days ago
Most Expensive
B
Diamond Quarter
1.73FLD75569303N · Oct 31
£39,121 GBP
View
4 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.

B
1.73ct Round
£39,121 GBP