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Round|Natural|GIA

1.17ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7531149561

Certificate GIA 7531149561

Diamond specifications and retailer prices

From £2,544 GBP
A$5,245 AUD
As of October 30, 2026
Save £2,739 GBP (52%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £5,283 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.17ct natural round diamond

This 1.17ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7531149561. Listed at 7 retailers as of October 30, 2026, with prices from £2,544 to £5,283, a £2,739 spread on the same certified stone. NZ Jewellers lists it at £5,283. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.17
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7531149561
Dimensions6.67 × 6.71 × 4.21 mm
L/W Ratio1.01
Star length50%
Key to symbols
Twinning Wisp, Crystal, Feather, Cavity, Indented Natural
Top View
6.67 mm6.71 mm1.17 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7531149561
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

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: Oct 30
Current: £3,381 GBP|Low: £2,214 GBP|High: £5,133 GBP|Avg: £3,421 GBP|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 4£2,799 GBP
Retailer 5£2,847 GBP
Retailer 6£3,260 GBP
Retailer 1£3,381 GBP
Retailer 3£3,464 GBP
Retailer 2£5,099 GBP

23 data points across 6 retailers

7 retailers£2,544 GBP to £5,283 GBP

A
Cheapest Retailer
-
£2,544 GBP
A$5,245 AUD
B+
Retailer 2
-
£2,799 GBP
$3,751 USD
View
Final sale: no returns
B+
Retailer 3
-
£2,847 GBP
$3,815 USD
View
B+
Retailer 4
-
£3,381 GBP
€4,314 EUR
View
B+
Retailer 5
-
£3,464 GBP
View
B
Retailer 6
-
£5,099 GBP
View
Most Expensive
B
NZ Jewellers
99246362-a20c-4438-8881-18f967ca8993 · Oct 30
£5,283 GBP
$7,079 USD
View
6 more retailers have this diamond
Prices start from £2,544 GBPSave up to £2,739 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
1.17ct Round
£2,544 GBP