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Round|Natural|IGI

1.68ct M SI1 Round Natural Diamond

EX • M/SI1 • IGI 642437812

Shape and cutting style on the report: Round brilliant

Certificate IGI 642437812

Diamond specifications and retailer prices

From $2,742 AUD
As of November 6, 2026
Save $1,373 AUD (33%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,115 AUD at Yorxs · As of November 5, 2026
View at Yorxs

About this 1.68ct natural round diamond

This 1.68ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 642437812. Listed at 10 retailers as of November 5, 2026, with prices from $2,742 to $4,115, a $1,373 spread on the same certified stone. Yorxs lists it at $4,115. 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

1.68
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.4°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 642437812
Dimensions7.51 × 7.56 × 4.77 mm
L/W Ratio1.01
Girdle conditionPARTLY FACETED
Culet sizePointed
Top View
7.51 mm7.56 mm1.68 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 642437812
Side View
Table 55.0%Crown 36.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.3%

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 6
Current: $3,705 AUD|Low: $2,148 AUD|High: $4,905 AUD|Avg: $3,321 AUD|+2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Yorxs
November 5, 2026
Retailer 4$2,148 AUD
Retailer 8$2,742 AUD
Retailer 7$2,938 AUD
Retailer 5$3,036 AUD
Retailer 11$3,036 AUD
Retailer 6$3,078 AUD
Retailer 10$3,176 AUD
Retailer 2$3,237 AUD
Retailer 9$3,363 AUD
Retailer 12$3,503 AUD
Retailer 1$3,705 AUD
Yorxs$4,115 AUD
Retailer 3$4,905 AUD

23 data points across 13 retailers

10 retailers$2,742 AUD to $4,115 AUD

A
Cheapest Retailer
-
$2,742 AUD
B+
Retailer 2
-
$2,938 AUD
View
B+
Retailer 3
-
$3,036 AUD
View
Retailer 4
-
$3,036 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$3,078 AUD
View
B+
Retailer 6
-
$3,176 AUD
View
B+
Retailer 7
-
$3,237 AUD
View
B+
Retailer 8
-
$3,503 AUD
View
B+
Retailer 9
-
$3,705 AUD
View
Most Expensive
B+
Yorxs
CFFFB0712 · Nov 5
$4,115 AUD
€2,693 EUR
View
9 more retailers have this diamond
Prices start from $2,742 AUDSave up to $1,373 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
1.68ct Round
$2,742 AUD