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1.27ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6401046249

Certificate GIA 6401046249

Diamond specifications and retailer prices

From €4,589 EUR
£4,037 GBP
As of October 31, 2026
Save €5,248 EUR (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €9,838 EUR at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6401046249. Listed at 6 retailers as of October 31, 2026, with prices from €4,589 to €9,838, a €5,248 spread on the same certified stone. Diamond Quarter lists it at €9,838. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6401046249
Dimensions6.92 × 6.89 × 4.31 mm
L/W Ratio1.00
Top View
6.92 mm6.89 mm1.27 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6401046249
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.5%

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: €4,589 EUR|Low: €3,759 EUR|High: €7,521 EUR|Avg: €4,973 EUR|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 4€3,759 EUR
Retailer 6€3,762 EUR
Retailer 1€4,589 EUR
Retailer 5€5,149 EUR
Retailer 2€5,281 EUR
Retailer 3€7,472 EUR

36 data points across 6 retailers

6 retailers€4,589 EUR to €9,838 EUR

Retailer 1
-
€3,759 EUR
$4,200 USD
Price last confirmed 14 days ago
A
Retailer 2
-
€4,589 EUR
£4,037 GBP
View
Retailer 3
-
€5,149 EUR
$5,753 USD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
€5,281 EUR
View
B
Retailer 5
-
€7,472 EUR
£6,573 GBP
View
Most Expensive
B
Diamond Quarter
1.27SI2D64491E79N · Oct 31
€9,838 EUR
£8,654 GBP
View
5 more retailers have this diamond
Prices start from €4,589 EURSave up to €5,248 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.

A
1.27ct Round
€4,589 EUR