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Oval|Lab Grown|IGI

1.72ct K SI2 Oval Lab Grown Diamond

ID • K/SI2 • IGI LG445036845

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445036845

Diamond specifications and retailer prices

From £1,456 GBP
As of November 5, 2026
Save £3,368 GBP (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,824 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 1.72ct lab-grown oval diamond

This 1.72ct lab-grown oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445036845 or 445036845. Listed at 8 retailers as of November 3, 2026, with prices from £1,456 to £4,824, a £3,368 spread on the same certified stone. MOH London lists it at £4,824. 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
K
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036845
Dimensions9.09 × 6.84 × 4.32 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.09 mm6.84 mm1.72 ctK / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445036845
Side View
Table 57.5%Crown 36.3°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 63.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £4,824 GBP|Low: £1,398 GBP|High: £4,888 GBP|Avg: £2,610 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3£1,456 GBP
Retailer 7£1,585 GBP
Retailer 4£1,689 GBP
Retailer 8£2,161 GBP
Retailer 6£2,322 GBP
Retailer 5£2,644 GBP
Retailer 2£2,773 GBP
Retailer 9£3,780 GBP
MOH London£4,824 GBP

13 data points across 9 retailers

8 retailers£1,456 GBP to £4,824 GBP

B+
Cheapest Retailer
-
£1,456 GBP
B+
Retailer 2
-
£1,585 GBP
View
B
Retailer 3
-
£1,689 GBP
View
Retailer 4
-
£1,689 GBP
View
Price last confirmed 26 days ago
B
Retailer 5
-
£2,322 GBP
View
B
Retailer 6
-
£2,644 GBP
View
B
Retailer 7
-
£2,773 GBP
View
Most Expensive
B
MOH London
LG445036845 · Nov 3
£4,824 GBP
View
7 more retailers have this diamond
Prices start from £1,456 GBPSave up to £3,368 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.

B+
1.72ct Oval
£1,456 GBP