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Round|Natural|GIA

1.27ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6243056297

Certificate GIA 6243056297

Diamond specifications and retailer prices

From £2,497 GBP
$3,345 USD
As of October 31, 2026
Save £2,004 GBP (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,500 GBP at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.27ct natural round diamond

This 1.27ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6243056297. Listed at 14 retailers as of October 26, 2026, with prices from £2,497 to £4,500, a £2,004 spread on the same certified stone. Wholesale Diamonds Direct lists it at £4,500. 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

1.27
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6243056297
Dimensions6.88 × 6.91 × 4.32 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.88 mm6.91 mm1.27 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6243056297
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.6%

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 31
Current: £2,868 GBP|Low: £2,497 GBP|High: £4,863 GBP|Avg: £3,300 GBP|-7.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Wholesale Diamonds Direct
November 2, 2026
Retailer 9£2,497 GBP
Retailer 11£2,518 GBP
Retailer 13£2,543 GBP
Retailer 10£2,668 GBP
Retailer 7£2,705 GBP
Retailer 5£2,724 GBP
Retailer 1£2,868 GBP
Retailer 2£3,178 GBP
Retailer 3£3,216 GBP
Retailer 6£3,324 GBP
Retailer 8£3,393 GBP
Retailer 12£4,211 GBP
Retailer 4£4,475 GBP
Wholesale Diamonds Direct£4,500 GBP

25 data points across 14 retailers

14 retailers£2,497 GBP to £4,500 GBP

A
Cheapest Retailer
-
£2,497 GBP
$3,345 USD
A
Retailer 2
-
£2,518 GBP
$3,374 USD
View
A
Retailer 3
-
£2,543 GBP
SGD 4,605 SGD
View
A
Retailer 4
-
£2,668 GBP
$3,575 USD
View
A
Retailer 5
-
£2,705 GBP
$3,625 USD
View
A
Retailer 6
-
£2,724 GBP
SGD 4,933 SGD
View
A
Retailer 7
-
£2,868 GBP
View
A
Retailer 8
-
£3,178 GBP
$4,258 USD
View
A
Retailer 9
-
£3,216 GBP
$4,310 USD
View
B+
Retailer 10
-
£3,324 GBP
€4,242 EUR
View
B+
Retailer 11
-
£3,393 GBP
View
B+
Retailer 12
-
£4,211 GBP
$5,642 USD
View
B+
Retailer 13
-
£4,475 GBP
$5,996 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
592344923 · Oct 26
£4,500 GBP
$6,030 USD
View
13 more retailers have this diamond
Prices start from £2,497 GBPSave up to £2,004 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
1.27ct Round
£2,497 GBP