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Round|Natural|GIA

3.16ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2566292109

Certificate GIA 2566292109

Diamond specifications and retailer prices

From $14,642 USD
As of November 5, 2026
Save $5,156 USD (26%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $26,900 USD at MOH London · As of October 15, 2026
View at MOH London

About this 3.16ct natural round diamond

This 3.16ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566292109. Listed at 11 retailers as of November 5, 2026, with a 35% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.16
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceVery Strong
OriginNatural
Grading LabGIA
CertificateGIA 2566292109
Dimensions9.27 × 9.32 × 5.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Twinning Wisp, Feather
Top View
9.27 mm9.32 mm3.16 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 2566292109
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $26,900 USD|Low: $14,642 USD|High: $26,935 USD|Avg: $19,372 USD|-0.1%
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 5, 2026
Retailer 7$14,642 USD
Retailer 10$16,750 USD
Retailer 6$17,293 USD
Retailer 14$17,298 USD
Retailer 8$18,062 USD
Retailer 3$18,380 USD
Retailer 4$18,810 USD
Retailer 9$19,166 USD
Retailer 2$19,798 USD
Retailer 12$20,378 USD
Retailer 5$21,162 USD
Retailer 13$21,162 USD
Retailer 11$24,142 USD
MOH London$26,900 USD

45 data points across 14 retailers

11 retailers$14,642 USD to $19,798 USD

A
Cheapest Retailer
-
$14,642 USD
Retailer 2
-
$16,750 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$17,293 USD
View
Price last confirmed 26 days ago
Retailer 4
-
$18,062 USD
View
Price last confirmed 22 days ago
Retailer 5
-
$18,810 USD
View
Price last confirmed 25 days ago
A
Retailer 6
-
$19,798 USD
View
Retailer 7
-
$20,378 USD
View
Price last confirmed 23 days ago
Retailer 8
-
$21,162 USD
View
Price last confirmed 25 days ago
Retailer 9
-
$21,162 USD
View
Price last confirmed 23 days ago
Retailer 10
-
$24,142 USD
View
Price last confirmed 23 days ago
Most Expensive
MOH London
0D311200C · Oct 15
$26,900 USD
£21,181 GBP
View
Price last confirmed 22 days ago
10 more retailers have this diamond
Prices start from $14,642 USDSave up to $5,156 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.

A
3.16ct Round
$14,642 USD