Oval|Lab Grown|IGI

1.67ct F SI2 Oval Lab Grown Diamond

EX • F/SI2 • IGI LG510171836

Certificate IGI LG510171836

Diamond specifications and retailer prices

From €279 EUR
$312 USD
As of October 30, 2026
Save €990 EUR (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,270 EUR at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 1.67ct lab-grown oval diamond

This 1.67ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG510171836 or 510171836. Listed at 8 retailers as of October 30, 2026, with prices from €279 to €1,270, a €990 spread on the same certified stone. Michael Trio lists it at €1,270. 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

1.67
Carat
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG510171836
Dimensions9.41 × 6.70 × 4.22 mm
L/W Ratio1.40
Top View
9.41 mm6.70 mm1.67 ctF / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510171836
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.0%

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: Oct 30
Current: €1,270 EUR|Low: €279 EUR|High: €1,270 EUR|Avg: €580 EUR|-0.1%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 5€279 EUR
Retailer 7€362 EUR
Retailer 8€435 EUR
Retailer 4€456 EUR
Retailer 3€530 EUR
Retailer 2€627 EUR
Retailer 6€723 EUR
Michael Trio€1,270 EUR

12 data points across 8 retailers

8 retailers€279 EUR to €1,270 EUR

A
Cheapest Retailer
-
€279 EUR
$312 USD
Final sale: no returns
A
Retailer 2
-
€362 EUR
$404 USD
View
A
Retailer 3
-
€435 EUR
HK$3,800 HKD
View
B+
Retailer 4
-
€456 EUR
$510 USD
View
A
Retailer 5
-
€530 EUR
View
B+
Retailer 6
-
€627 EUR
A$1,078 AUD
View
B+
Retailer 7
-
€723 EUR
$808 USD
View
Most Expensive
B
Michael Trio
4245390470 · Oct 31
€1,270 EUR
SGD 1,917 SGD
View
7 more retailers have this diamond
Prices start from €279 EURSave up to €990 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.

A
1.67ct Oval
€279 EUR