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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 $1,884 USD
As of November 6, 2026
Save $944 USD (33%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,828 USD 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 $1,884 to $2,828, a $944 spread on the same certified stone. Yorxs lists it at $2,828. 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
Color
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: $2,546 USD|Low: $1,476 USD|High: $3,370 USD|Avg: $2,282 USD|+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$1,476 USD
Retailer 8$1,884 USD
Retailer 7$2,019 USD
Retailer 5$2,086 USD
Retailer 11$2,086 USD
Retailer 6$2,115 USD
Retailer 10$2,182 USD
Retailer 2$2,224 USD
Retailer 9$2,311 USD
Retailer 12$2,407 USD
Retailer 1$2,546 USD
Yorxs$2,828 USD
Retailer 3$3,370 USD

23 data points across 13 retailers

10 retailers$1,884 USD to $2,828 USD

A
Cheapest Retailer
-
$1,884 USD
B+
Retailer 2
-
$2,019 USD
View
B+
Retailer 3
-
$2,086 USD
View
Retailer 4
-
$2,086 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$2,115 USD
View
B+
Retailer 6
-
$2,182 USD
View
B+
Retailer 7
-
$2,224 USD
View
B+
Retailer 8
-
$2,407 USD
View
B+
Retailer 9
-
$2,546 USD
View
Most Expensive
B+
Yorxs
CFFFB0712 · Nov 5
$2,828 USD
€2,693 EUR
View
9 more retailers have this diamond
Prices start from $1,884 USDSave up to $944 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
1.68ct Round
$1,884 USD