Round|Natural|IGI

3.71ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 526255086

Shape and cutting style on the report: Round brilliant

Certificate IGI 526255086

Diamond specifications and retailer prices

From $16,010 USD
As of November 1, 2026
Save $9,160 USD (36%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $25,170 USD at MOH London · As of November 4, 2026
View at MOH London

About this 3.71ct natural round diamond

This 3.71ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 526255086. Listed at 13 retailers as of November 1, 2026, with prices from $16,010 to $25,170, a $9,160 spread on the same certified stone. MOH London lists it at $25,170. 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

3.71
Carat
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 526255086
Dimensions9.88 × 9.84 × 6.13 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
9.88 mm9.84 mm3.71 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 526255086
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.2%

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: Nov 1
Current: $25,170 USD|Low: $16,010 USD|High: $26,944 USD|Avg: $19,650 USD|-5.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3$16,010 USD
Retailer 6$16,263 USD
Retailer 5$16,398 USD
Retailer 4$19,324 USD
Retailer 2$19,454 USD
Retailer 7$19,824 USD
Retailer 8$20,067 USD
Retailer 9$21,443 USD
MOH London$25,170 USD

29 data points across 9 retailers

13 retailers$16,010 USD to $25,170 USD

A
Cheapest Retailer
-
$16,010 USD
A
Retailer 2
-
$16,263 USD
View
A
Retailer 3
-
$16,398 USD
View
Retailer 4
-
$17,837 USD
View
Price last confirmed 21 days ago
Retailer 5
-
$19,026 USD
View
Price last confirmed 22 days ago
Retailer 6
-
$19,324 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
$19,454 USD
View
B+
Retailer 8
-
$19,824 USD
View
Retailer 9
-
$20,067 USD
View
Price last confirmed 16 days ago
Retailer 10
-
$20,385 USD
View
Price last confirmed 45 days ago
Retailer 11
-
$21,169 USD
View
Price last confirmed 45 days ago
Retailer 12
-
$24,150 USD
View
Price last confirmed 48 days ago
Most Expensive
B+
MOH London
AA9F853A7 · Nov 4
$25,170 USD
£19,819 GBP
View
12 more retailers have this diamond
Prices start from $16,010 USDSave up to $9,160 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
3.71ct Round
$16,010 USD