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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 $400 SGD
As of November 6, 2026
Save $1,418 SGD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,818 SGD at Michael Trio · As of November 6, 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 November 6, 2026, with prices from $400 to $1,818, a $1,418 spread on the same certified stone. Michael Trio lists it at $1,818. 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
Colour
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: Nov 6
Current: $1,818 SGD|Low: $400 SGD|High: $1,818 SGD|Avg: $832 SGD
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$400 SGD
Retailer 7$518 SGD
Retailer 8$623 SGD
Retailer 4$654 SGD
Retailer 2$757 SGD
Retailer 3$897 SGD
Retailer 6$1,036 SGD
Michael Trio$1,818 SGD

12 data points across 8 retailers

8 retailers$400 SGD to $1,818 SGD

A
Cheapest Retailer
-
$400 SGD
Final sale: no returns
A
Retailer 2
-
$518 SGD
View
A
Retailer 3
-
$623 SGD
View
B+
Retailer 4
-
$654 SGD
View
A
Retailer 5
-
$757 SGD
View
B+
Retailer 6
-
$897 SGD
View
B+
Retailer 7
-
$1,036 SGD
View
Most Expensive
B
Michael Trio
4245390470 · Nov 6
$1,818 SGD
View
7 more retailers have this diamond
Prices start from $400 SGDSave up to $1,418 SGD

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
$400 SGD