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Oval|Natural|IGI

1.70ct K SI1 Oval Natural Diamond

VG • K/SI1 • IGI 649462771

Shape and cutting style on the report: Oval brilliant

Certificate IGI 649462771

Diamond specifications and retailer prices

From $2,443 USD
As of November 6, 2026
Save $10,868 USD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $13,311 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.7ct natural oval diamond

This 1.7ct natural oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 649462771. Listed at 12 retailers as of November 2, 2026, with prices from $2,443 to $13,311, a $10,868 spread on the same certified stone. MOH London lists it at $13,311. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.70
Carat
K
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.4°
OriginNatural
Grading LabIGI
CertificateIGI 649462771
Dimensions9.86 × 6.70 × 3.96 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
Top View
9.86 mm6.70 mm1.70 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 649462771
Side View
Table 59.0%Crown 34.6°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 59.1%

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 6
Current: $13,311 USD|Low: $2,443 USD|High: $13,311 USD|Avg: $4,687 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2$2,443 USD
Retailer 3$2,785 USD
Retailer 4$3,480 USD
Retailer 5$3,549 USD
Retailer 7$3,836 USD
Retailer 11$8,824 USD
Retailer 9$9,320 USD
Retailer 8$9,940 USD
Retailer 10$10,192 USD
Retailer 12$11,760 USD
Retailer 6$12,434 USD
MOH London$13,311 USD

39 data points across 12 retailers

12 retailers$2,443 USD to $13,311 USD

A
Cheapest Retailer
-
$2,443 USD
Retailer 2
-
$2,785 USD
View
Price last confirmed 16 days ago
B+
Retailer 3
-
$3,480 USD
View
B+
Retailer 4
-
$3,549 USD
View
B+
Retailer 5
-
$3,836 USD
View
C
Retailer 6
-
$8,824 USD
View
C
Retailer 7
-
$9,320 USD
View
C
Retailer 8
-
$9,940 USD
View
C
Retailer 9
-
$10,192 USD
View
C
Retailer 10
-
$11,760 USD
View
C
Retailer 11
-
$12,434 USD
View
Most Expensive
C
MOH London
C2D843C30 · Nov 2
$13,311 USD
£10,481 GBP
View
11 more retailers have this diamond
Prices start from $2,443 USDSave up to $10,868 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
1.70ct Oval
$2,443 USD