Oval|Lab Grown|IGI

1.40ct G IF Oval Lab Grown Diamond

EX • G/IF • IGI LG639489807

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG639489807

Diamond specifications and retailer prices

From $557 NZD
As of November 3, 2026
Save $2,317 NZD (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,417 NZD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.4ct lab-grown oval diamond

This 1.4ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG639489807 or 639489807. Listed at 23 retailers as of November 3, 2026, with a 416% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639489807
Dimensions9.08 × 6.49 × 3.86 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.08 mm6.49 mm1.40 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639489807
Side View
Table 61.0%Crown 34.2°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 59.5%

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 3
Current: $2,874 NZD|Low: $538 NZD|High: $4,417 NZD|Avg: $1,551 NZD|-34.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 5, 2026
Retailer 7$557 NZD
Retailer 15$624 NZD
Retailer 5$646 NZD
Retailer 20$690 NZD
Retailer 13$766 NZD
Retailer 9$926 NZD
Retailer 10$967 NZD
Retailer 8$1,141 NZD
Retailer 3$1,180 NZD
Retailer 19$1,190 NZD
Retailer 18$1,217 NZD
Retailer 16$1,696 NZD
Retailer 11$1,733 NZD
Retailer 17$2,026 NZD
Retailer 4$2,219 NZD
Retailer 12$2,301 NZD
Retailer 14$2,324 NZD
Retailer 6$2,475 NZD
Retailer 2$2,759 NZD
Brilliant Earth$2,874 NZD

31 data points across 20 retailers

23 retailers$557 NZD to $2,874 NZD

A
Cheapest Retailer
-
$557 NZD
A
Retailer 2
-
$624 NZD
View
Final sale: no returns
A
Retailer 3
-
$646 NZD
View
Retailer 4
-
$665 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$690 NZD
View
A
Retailer 6
-
$766 NZD
View
A
Retailer 7
-
$926 NZD
View
A
Retailer 8
-
$967 NZD
View
A
Retailer 9
-
$1,141 NZD
View
A
Retailer 10
-
$1,180 NZD
View
A
Retailer 11
-
$1,190 NZD
View
A
Retailer 12
-
$1,217 NZD
View
B+
Retailer 13
-
$1,696 NZD
View
B+
Retailer 14
-
$1,715 NZD
View
B+
Retailer 15
-
$1,733 NZD
View
B+
Retailer 16
-
$2,026 NZD
View
B+
Retailer 17
-
$2,219 NZD
View
B+
Retailer 18
-
$2,301 NZD
View
B+
Retailer 19
-
$2,324 NZD
View
B+
Retailer 20
-
$2,475 NZD
View
B
Retailer 21
-
$2,759 NZD
View
B
Retailer 22
-
$2,874 NZD
View
Most Expensive
Brilliant Earth
14225550A · Oct 16
$4,417 NZD
$2,490 USD
View
Price last confirmed 19 days ago
22 more retailers have this diamond
Prices start from $557 NZDSave up to $2,317 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
1.40ct Oval
$557 NZD