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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 $22,870 AUD
As of November 1, 2026
Save $13,085 AUD (36%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $35,956 AUD 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 $22,870 to $35,956, a $13,085 spread on the same certified stone. MOH London lists it at $35,956. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $35,956 AUD|Low: $22,870 AUD|High: $38,490 AUD|Avg: $28,070 AUD|-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$22,870 AUD
Retailer 6$23,232 AUD
Retailer 5$23,425 AUD
Retailer 4$27,604 AUD
Retailer 2$27,790 AUD
Retailer 7$28,319 AUD
Retailer 8$28,666 AUD
Retailer 9$30,631 AUD
MOH London$35,956 AUD

29 data points across 9 retailers

13 retailers$22,870 AUD to $35,956 AUD

A
Cheapest Retailer
-
$22,870 AUD
A
Retailer 2
-
$23,232 AUD
View
A
Retailer 3
-
$23,425 AUD
View
Retailer 4
-
$25,480 AUD
View
Price last confirmed 21 days ago
Retailer 5
-
$27,179 AUD
View
Price last confirmed 22 days ago
Retailer 6
-
$27,604 AUD
View
Price last confirmed 15 days ago
A
Retailer 7
-
$27,790 AUD
View
B+
Retailer 8
-
$28,319 AUD
View
Retailer 9
-
$28,666 AUD
View
Price last confirmed 16 days ago
Retailer 10
-
$29,120 AUD
View
Price last confirmed 45 days ago
Retailer 11
-
$30,240 AUD
View
Price last confirmed 45 days ago
Retailer 12
-
$34,498 AUD
View
Price last confirmed 48 days ago
Most Expensive
B+
MOH London
AA9F853A7 · Nov 4
$35,956 AUD
£19,819 GBP
View
12 more retailers have this diamond
Prices start from $22,870 AUDSave up to $13,085 AUD

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
$22,870 AUD