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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 $563 NZD
As of November 6, 2026
Save $1,996 NZD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,559 NZD 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 $563 to $2,559, a $1,996 spread on the same certified stone. Michael Trio lists it at $2,559. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,559 NZD|Low: $563 NZD|High: $2,559 NZD|Avg: $1,171 NZD
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$563 NZD
Retailer 7$729 NZD
Retailer 8$877 NZD
Retailer 4$920 NZD
Retailer 2$1,066 NZD
Retailer 3$1,263 NZD
Retailer 6$1,458 NZD
Michael Trio$2,559 NZD

12 data points across 8 retailers

8 retailers$563 NZD to $2,559 NZD

A
Cheapest Retailer
-
$563 NZD
Final sale: no returns
A
Retailer 2
-
$729 NZD
View
A
Retailer 3
-
$877 NZD
View
B+
Retailer 4
-
$920 NZD
View
A
Retailer 5
-
$1,066 NZD
View
B+
Retailer 6
-
$1,263 NZD
View
B+
Retailer 7
-
$1,458 NZD
View
Most Expensive
B
Michael Trio
4245390470 · Nov 6
$2,559 NZD
SGD 1,917 SGD
View
7 more retailers have this diamond
Prices start from $563 NZDSave up to $1,996 NZD

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
$563 NZD