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Oval|Lab Grown|IGI

1.86ct F IF Oval Lab Grown Diamond

EX • F/IF • IGI LG777620400

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG777620400

Diamond specifications and retailer prices

From $527 NZD
$297 USD
As of November 1, 2026
Save $5,044 NZD (91%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,571 NZD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.86ct lab-grown oval diamond

This 1.86ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG777620400 or 777620400. Listed at 15 retailers as of November 1, 2026, with prices from $527 to $5,571, a $5,044 spread on the same certified stone. Brilliant Earth lists it at $5,571. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777620400
Dimensions9.88 × 6.93 × 4.26 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.88 mm6.93 mm1.86 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777620400
Side View
Table 61.0%Crown 33.6°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.5%

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 1
Current: $5,571 NZD|Low: $527 NZD|High: $6,086 NZD|Avg: $1,965 NZD|-7.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 11$527 NZD
Retailer 4$656 NZD
Retailer 5$1,020 NZD
Retailer 9$1,072 NZD
Retailer 7$1,139 NZD
Retailer 12$1,244 NZD
Retailer 8$1,521 NZD
Retailer 6$2,009 NZD
Retailer 10$2,103 NZD
Retailer 2$2,621 NZD
Retailer 3$4,702 NZD
Brilliant Earth$5,571 NZD

35 data points across 12 retailers

15 retailers$527 NZD to $5,571 NZD

A
Cheapest Retailer
-
$527 NZD
$297 USD
Retailer 2
-
$586 NZD
$330 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
$656 NZD
$370 USD
View
Final sale: no returns
Retailer 4
-
$680 NZD
$383 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$1,020 NZD
$575 USD
View
A
Retailer 6
-
$1,072 NZD
$604 USD
View
A
Retailer 7
-
$1,139 NZD
$642 USD
View
Retailer 8
-
$1,244 NZD
€668 EUR
View
Price last confirmed 9 days ago
A
Retailer 9
-
$1,521 NZD
A$1,319 AUD
View
B+
Retailer 10
-
$2,009 NZD
$1,132 USD
View
A
Retailer 11
-
$2,103 NZD
$1,185 USD
View
Retailer 12
-
$2,333 NZD
$1,315 USD
View
Price last confirmed 36 days ago
B+
Retailer 13
-
$2,621 NZD
£1,163 GBP
View
B
Retailer 14
-
$4,702 NZD
$2,650 USD
View
Most Expensive
B
Brilliant Earth
18034378A · Nov 1
$5,571 NZD
$3,140 USD
View
14 more retailers have this diamond
Prices start from $527 NZDSave up to $5,044 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
1.86ct Oval
$527 NZD