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Round|Natural|IGI

3.05ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 727559258

Shape and cutting style on the report: Round brilliant

Certificate IGI 727559258

Diamond specifications and retailer prices

From $22,397 NZD
₹1,202,186 INR
As of October 31, 2026
Save $18,351 NZD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $40,748 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 3.05ct natural round diamond

This 3.05ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 727559258. Listed at 15 retailers as of October 29, 2026, with prices from $22,397 to $40,748, a $18,351 spread on the same certified stone. MOH London lists it at $40,748. 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

3.05
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 727559258
Dimensions9.24 × 9.28 × 5.74 mm
L/W Ratio1.00
Girdle conditionPARTLY FACETED
Culet sizeNone
Top View
9.24 mm9.28 mm3.05 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 727559258
Side View
Table 57.0%Crown 35.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.0%

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: Oct 31
Current: $40,748 NZD|Low: $22,340 NZD|High: $46,081 NZD|Avg: $31,689 NZD|-11.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5$22,397 NZD
Retailer 6$26,336 NZD
Retailer 2$27,452 NZD
Retailer 3$28,646 NZD
Retailer 11$30,555 NZD
Retailer 12$31,033 NZD
Retailer 7$31,422 NZD
Retailer 9$32,015 NZD
Retailer 8$32,227 NZD
Retailer 4$35,769 NZD
Retailer 10$36,765 NZD
MOH London$40,748 NZD

24 data points across 12 retailers

15 retailers$22,397 NZD to $40,748 NZD

A
Cheapest Retailer
-
$22,397 NZD
₹1,202,186 INR
A
Retailer 2
-
$26,336 NZD
$14,843 USD
View
A
Retailer 3
-
$26,368 NZD
$14,861 USD
View
A
Retailer 4
-
$27,452 NZD
$15,472 USD
View
Final sale: no returns
Retailer 5
-
$28,646 NZD
$16,145 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$28,690 NZD
$16,170 USD
View
Price last confirmed 25 days ago
A
Retailer 7
-
$30,555 NZD
$17,221 USD
View
A
Retailer 8
-
$30,641 NZD
A$26,568 AUD
View
A
Retailer 9
-
$31,033 NZD
$17,490 USD
View
A
Retailer 10
-
$31,422 NZD
€16,866 EUR
View
A
Retailer 11
-
$32,015 NZD
£14,208 GBP
View
A
Retailer 12
-
$32,227 NZD
$18,163 USD
View
B+
Retailer 13
-
$35,769 NZD
$20,160 USD
View
A
Retailer 14
-
$36,765 NZD
$20,721 USD
View
Most Expensive
A
MOH London
D2E3069ED · Oct 29
$40,748 NZD
£18,083 GBP
View
14 more retailers have this diamond
Prices start from $22,397 NZDSave up to $18,351 NZD

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
3.05ct Round
$22,397 NZD