CaratHunter
Plans
Round|Natural|GIA

1.27ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2554428338

Certificate GIA 2554428338

Diamond specifications and retailer prices

From €4,431 EUR
$4,970 USD
As of November 1, 2026
Save €2,916 EUR (40%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €7,348 EUR at MOH London · As of November 1, 2026
View at MOH London

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 2554428338. Listed at 9 retailers as of November 1, 2026, with prices from €4,431 to €7,348, a €2,916 spread on the same certified stone. MOH London lists it at €7,348. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2554428338
Dimensions6.90 × 6.96 × 4.34 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.90 mm6.96 mm1.27 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554428338
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 41.8°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €7,348 EUR|Low: €3,313 EUR|High: €7,659 EUR|Avg: €5,027 EUR|+0.6%
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
Retailer 14
November 2, 2026
Retailer 12€3,577 EUR
Retailer 3€3,705 EUR
Retailer 14€4,369 EUR
Retailer 13€4,427 EUR
Retailer 11€4,431 EUR
Retailer 7€4,562 EUR
Retailer 4€4,579 EUR
Retailer 2€4,726 EUR
Retailer 9€4,863 EUR
Retailer 8€5,030 EUR
Retailer 6€5,284 EUR
Retailer 10€5,810 EUR
MOH London€7,348 EUR
Retailer 5€7,659 EUR

25 data points across 14 retailers

9 retailers€4,431 EUR to €7,348 EUR

Retailer 1
-
€4,427 EUR
A$7,639 AUD
Price last confirmed 29 days ago
B+
Retailer 2
-
€4,431 EUR
$4,970 USD
View
B+
Retailer 3
-
€4,562 EUR
£4,029 GBP
View
B+
Retailer 4
-
€4,726 EUR
$5,301 USD
View
B+
Retailer 5
-
€4,863 EUR
$5,454 USD
View
B+
Retailer 6
-
€5,030 EUR
View
Retailer 7
-
€5,284 EUR
$5,926 USD
View
Price last confirmed 41 days ago
B
Retailer 8
-
€5,810 EUR
ZAR 105,271 ZAR
View
Most Expensive
B
MOH London
A5D378394 · Nov 1
€7,348 EUR
£6,489 GBP
View
8 more retailers have this diamond
Prices start from €4,431 EURSave up to €2,916 EUR

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+
1.27ct Round
€4,431 EUR