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Round|Natural|GIA

6.25ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2115100400

Certificate GIA 2115100400

Diamond specifications and retailer prices

From €152,957 EUR
$170,885 USD
As of October 30, 2026
Save €57,197 EUR (27%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €210,155 EUR at Yorxs · As of October 30, 2026
View at Yorxs

About this 6.25ct natural round diamond

This 6.25ct natural round sits in the over five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2115100400. Listed at 7 retailers as of October 30, 2026, with prices from €152,957 to €210,155, a €57,197 spread on the same certified stone. Yorxs lists it at €210,155. 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

6.25
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2115100400
Dimensions11.86 × 11.92 × 7.23 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Top View
11.86 mm11.92 mm6.25 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2115100400
Side View
Table 57.0%Crown 34°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 60.8%

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: Oct 30
Current: €186,126 EUR|Low: €152,957 EUR|High: €210,155 EUR|Avg: €173,101 EUR|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
October 31, 2026
Retailer 4€152,957 EUR
Retailer 5€154,581 EUR
Retailer 2€168,870 EUR
Retailer 3€174,644 EUR
Retailer 1€186,126 EUR
Yorxs€210,155 EUR

26 data points across 6 retailers

7 retailers€152,957 EUR to €210,155 EUR

B+
Cheapest Retailer
-
€152,957 EUR
$170,885 USD
B+
Retailer 2
-
€154,581 EUR
$172,699 USD
View
B+
Retailer 3
-
€168,870 EUR
$188,663 USD
View
Retailer 4
-
€168,870 EUR
$188,663 USD
View
Price last confirmed 23 days ago
B+
Retailer 5
-
€174,644 EUR
$195,113 USD
View
Final sale: no returns
B+
Retailer 6
-
€186,126 EUR
£163,733 GBP
View
Most Expensive
B
Yorxs
M8902 · Oct 30
€210,155 EUR
View
6 more retailers have this diamond
Prices start from €152,957 EURSave up to €57,197 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+
6.25ct Round
€152,957 EUR