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Oval|Lab Grown|IGI

1.73ct K SI2 Oval Lab Grown Diamond

ID • K/SI2 • IGI LG451056887

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451056887

Diamond specifications and retailer prices

From €1,755 EUR
As of November 5, 2026
Save €4,046 EUR (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €5,801 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 1.73ct lab-grown oval diamond

This 1.73ct 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 LG451056887 or 451056887. Listed at 8 retailers as of November 5, 2026, with prices from €1,755 to €5,801, a €4,046 spread on the same certified stone. MOH London lists it at €5,801. 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

1.73
Carat
K
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056887
Dimensions9.21 × 6.80 × 4.31 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.21 mm6.80 mm1.73 ctK / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056887
Side View
Table 57.0%Crown 36.9°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
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: €5,801 EUR|Low: €1,686 EUR|High: €5,894 EUR|Avg: €3,144 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3€1,755 EUR
Retailer 7€1,910 EUR
Retailer 4€2,037 EUR
Retailer 8€2,605 EUR
Retailer 6€2,799 EUR
Retailer 5€3,188 EUR
Retailer 2€3,344 EUR
Retailer 9€4,558 EUR
MOH London€5,801 EUR

14 data points across 9 retailers

8 retailers€1,755 EUR to €5,801 EUR

B+
Cheapest Retailer
-
€1,755 EUR
B+
Retailer 2
-
€1,910 EUR
View
Retailer 3
-
€2,037 EUR
View
Price last confirmed 26 days ago
B
Retailer 4
-
€2,037 EUR
View
B
Retailer 5
-
€2,799 EUR
View
B
Retailer 6
-
€3,188 EUR
View
B
Retailer 7
-
€3,344 EUR
View
Most Expensive
B
MOH London
LG451056887 · Nov 5
€5,801 EUR
£5,100 GBP
View
7 more retailers have this diamond
Prices start from €1,755 EURSave up to €4,046 EUR

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+
1.73ct Oval
€1,755 EUR