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6.25ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2115100400

Certificate GIA 2115100400

Diamond specifications and retailer prices

From $170,885 USD
As of October 30, 2026
Save $63,529 USD (27%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $234,414 USD at Yorxs · As of October 28, 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 28, 2026, with prices from $170,885 to $234,414, a $63,529 spread on the same certified stone. Yorxs lists it at $234,414. 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: $188,663 USD|Low: $169,278 USD|High: $234,414 USD|Avg: $192,897 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
October 29, 2026
Retailer 4$170,885 USD
Retailer 5$172,699 USD
Retailer 1$188,663 USD
Retailer 3$195,113 USD
Retailer 2$209,045 USD
Yorxs$234,414 USD

25 data points across 6 retailers

7 retailers$170,885 USD to $234,414 USD

B+
Cheapest Retailer
-
$170,885 USD
B+
Retailer 2
-
$172,699 USD
View
B
Retailer 3
-
$188,663 USD
View
Retailer 4
-
$188,663 USD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
$195,113 USD
View
Final sale: no returns
B+
Retailer 6
-
$209,045 USD
£164,603 GBP
View
Most Expensive
B
Yorxs
M8902 · Oct 28
$234,414 USD
€223,251 EUR
View
6 more retailers have this diamond
Prices start from $170,885 USDSave up to $63,529 USD

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
$170,885 USD