CaratHunter
Plans
Round|Natural|GIA

1.70ct D FL Round Natural Diamond

EX • D/FL • GIA 6551522085

Certificate GIA 6551522085

Diamond specifications and retailer prices

From £19,714 GBP
As of October 30, 2026
Save £10,964 GBP (36%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £30,678 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct natural round diamond

This 1.7ct 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 6551522085. Listed at 15 retailers as of October 29, 2026, with prices from £19,714 to £30,678, a £10,964 spread on the same certified stone. MOH London lists it at £30,678. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6551522085
Dimensions7.60 × 7.64 × 4.78 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Top View
7.60 mm7.64 mm1.70 ctD / FL
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551522085
Side View
Table 57.0%Crown 35.5°Girdle: MediumPavilion 41°Culet: NoneDepth 62.7%

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: Oct 30
Current: £30,678 GBP|Low: £19,595 GBP|High: £30,882 GBP|Avg: £23,087 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 7£19,714 GBP
Retailer 11£20,352 GBP
Retailer 5£20,667 GBP
Retailer 2£20,993 GBP
Retailer 4£21,390 GBP
Retailer 8£21,567 GBP
Retailer 6£22,226 GBP
Retailer 3£22,645 GBP
Retailer 13£23,364 GBP
Retailer 9£23,491 GBP
Retailer 12£24,262 GBP
Retailer 10£28,553 GBP
MOH London£30,678 GBP

22 data points across 13 retailers

15 retailers£19,714 GBP to £30,678 GBP

A
Cheapest Retailer
-
£19,714 GBP
B+
Retailer 2
-
£20,084 GBP
$26,910 USD
View
A
Retailer 3
-
£20,352 GBP
$27,270 USD
View
B+
Retailer 4
-
£20,667 GBP
$27,692 USD
View
Final sale: no returns
B+
Retailer 5
-
£20,993 GBP
View
B+
Retailer 6
-
£21,390 GBP
$28,660 USD
View
B+
Retailer 7
-
£21,542 GBP
View
B+
Retailer 8
-
£21,567 GBP
$28,897 USD
View
B+
Retailer 9
-
£22,226 GBP
€28,362 EUR
View
B+
Retailer 10
-
£22,645 GBP
$30,342 USD
View
B+
Retailer 11
-
£23,364 GBP
$31,305 USD
View
B+
Retailer 12
-
£23,491 GBP
A$48,424 AUD
View
B+
Retailer 13
-
£24,262 GBP
$32,509 USD
View
B
Retailer 14
-
£28,553 GBP
ZAR 618,059 ZAR
View
Most Expensive
B
MOH London
B5D3A8F27 · Oct 29
£30,678 GBP
View
14 more retailers have this diamond
Prices start from £19,714 GBPSave up to £10,964 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
1.70ct Round
£19,714 GBP