Round|Natural|IGI

1.72ct L SI2 Round Natural Diamond

EX • L/SI2 • IGI 776683599

Shape and cutting style on the report: Round brilliant

Certificate IGI 776683599

Diamond specifications and retailer prices

From £756 GBP
As of November 5, 2026
Save £397 GBP (34%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,153 GBP at Moon Ocean · As of November 6, 2026
View at Moon Ocean

About this 1.72ct natural round diamond

This 1.72ct natural round sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 776683599. Listed at 4 retailers as of November 5, 2026, with prices from £756 to £1,153, a £397 spread on the same certified stone. Moon Ocean lists it at £1,153. 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

1.72
Carat
L
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 776683599
Dimensions7.54 × 7.60 × 4.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.54 mm7.60 mm1.72 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 776683599
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £1,153 GBP|Low: £756 GBP|High: £1,175 GBP|Avg: £994 GBP|-1.8%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2£756 GBP
Retailer 3£881 GBP
Retailer 4£1,019 GBP
Moon Ocean£1,153 GBP
Retailer 5£1,158 GBP

44 data points across 5 retailers

4 retailers£756 GBP to £1,153 GBP

A
Cheapest Retailer
-
£756 GBP
B+
Retailer 2
-
£881 GBP
View
B+
Retailer 3
-
£1,019 GBP
View
Most Expensive
B+
Moon Ocean
NVN-AE56CC58D-599 · Nov 6
£1,153 GBP
View
3 more retailers have this diamond
Prices start from £756 GBPSave up to £397 GBP

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
1.72ct Round
£756 GBP