Oval|Lab Grown|IGI

1.85ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • IGI LG817604265

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG817604265

Diamond specifications and retailer prices

From $378 NZD
$213 USD
As of November 1, 2026
Save $1,499 NZD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,918 NZD at Michael Trio · As of October 13, 2026
View at Michael Trio

About this 1.85ct lab-grown oval diamond

This 1.85ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG817604265 or 817604265. Listed at 9 retailers as of November 1, 2026, with a 397% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.85
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817604265
Dimensions10.05 × 6.89 × 4.31 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.05 mm6.89 mm1.85 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817604265
Side View
Table 60.0%Crown 36.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.6%

Caratlytics Score

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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 1
Current: $1,918 NZD|Low: $371 NZD|High: $1,950 NZD|Avg: $1,126 NZD|+9.4%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$378 NZD
Retailer 5$438 NZD
Retailer 2$600 NZD
Retailer 4$784 NZD
Retailer 9$1,077 NZD
Retailer 8$1,506 NZD
Retailer 6$1,512 NZD
Retailer 3$1,877 NZD
Michael Trio$1,918 NZD

32 data points across 9 retailers

9 retailers$378 NZD to $1,877 NZD

A
Cheapest Retailer
-
$378 NZD
$213 USD
A
Retailer 2
-
$438 NZD
$247 USD
View
A
Retailer 3
-
$600 NZD
£266 GBP
View
A
Retailer 4
-
$784 NZD
€421 EUR
View
A
Retailer 5
-
$1,077 NZD
$607 USD
View
B+
Retailer 6
-
$1,506 NZD
$849 USD
View
B+
Retailer 7
-
$1,512 NZD
$852 USD
View
B+
Retailer 8
-
$1,877 NZD
£833 GBP
View
Most Expensive
Michael Trio
1555502797 · Oct 13
$1,918 NZD
SGD 1,461 SGD
View
Price last confirmed 20 days ago
8 more retailers have this diamond
Prices start from $378 NZDSave up to $1,499 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
1.85ct Oval
$378 NZD