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Round|Natural|GIA

1.73ct D FL Round Natural Diamond

EX • D/FL • GIA 1246079511

Certificate GIA 1246079511

Diamond specifications and retailer prices

From £16,441 GBP
HK$172,100 HKD
As of November 1, 2026
Save £13,774 GBP (46%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £30,215 GBP at MOH London · As of October 29, 2026
View at MOH London

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 1246079511. Listed at 23 retailers as of October 29, 2026, with prices from £16,441 to £30,215, a £13,774 spread on the same certified stone. MOH London lists it at £30,215. 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 angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1246079511
Dimensions7.79 × 7.75 × 4.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.79 mm7.75 mm1.73 ctD / FL
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246079511
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £30,215 GBP|Low: £16,116 GBP|High: £30,215 GBP|Avg: £21,496 GBP
MOH London
Retailer 2
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Retailer 24
November 1, 2026
Retailer 5£16,441 GBP
Retailer 2£17,651 GBP
Retailer 16£18,154 GBP
Retailer 14£19,032 GBP
Retailer 20£19,254 GBP
Retailer 4£19,340 GBP
Retailer 11£19,472 GBP
Retailer 24£20,046 GBP
Retailer 12£20,356 GBP
Retailer 18£20,615 GBP
Retailer 9£20,658 GBP
Retailer 10£21,224 GBP
Retailer 23£21,241 GBP
Retailer 15£21,317 GBP
Retailer 8£21,876 GBP
Retailer 6£22,303 GBP
Retailer 7£23,012 GBP
Retailer 19£23,208 GBP
Retailer 13£23,245 GBP
Retailer 22£23,638 GBP
Retailer 3£23,897 GBP
Retailer 17£26,465 GBP
Retailer 21£28,273 GBP
MOH London£30,215 GBP

16 data points across 24 retailers

23 retailers£16,441 GBP to £30,215 GBP

A
Cheapest Retailer
-
£16,441 GBP
HK$172,100 HKD
A
Retailer 2
-
£17,651 GBP
₹2,252,387 INR
View
Retailer 3
-
£18,154 GBP
$24,325 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£19,032 GBP
$25,501 USD
View
A
Retailer 5
-
£19,254 GBP
View
A
Retailer 6
-
£19,340 GBP
$25,913 USD
View
A
Retailer 7
-
£19,472 GBP
$26,090 USD
View
B+
Retailer 8
-
£20,046 GBP
$26,859 USD
View
B+
Retailer 9
-
£20,356 GBP
$27,275 USD
View
Final sale: no returns
B+
Retailer 10
-
£20,615 GBP
View
B+
Retailer 11
-
£20,658 GBP
$27,680 USD
View
B+
Retailer 12
-
£21,224 GBP
View
B+
Retailer 13
-
£21,241 GBP
$28,461 USD
View
B+
Retailer 14
-
£21,317 GBP
$28,562 USD
View
B+
Retailer 15
-
£21,876 GBP
$29,311 USD
View
B+
Retailer 16
-
£22,303 GBP
$29,884 USD
View
B+
Retailer 17
-
£23,012 GBP
$30,833 USD
View
B+
Retailer 18
-
£23,208 GBP
A$47,840 AUD
View
B+
Retailer 19
-
£23,245 GBP
€29,663 EUR
View
B+
Retailer 20
-
£23,638 GBP
$31,672 USD
View
B+
Retailer 21
-
£23,897 GBP
$32,019 USD
View
B+
Retailer 22
-
£28,273 GBP
ZAR 611,996 ZAR
View
Most Expensive
B
MOH London
62A316FD6 · Oct 29
£30,215 GBP
View
22 more retailers have this diamond
Prices start from £16,441 GBPSave up to £13,774 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
1.73ct Round
£16,441 GBP