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Oval|Lab Grown|IGI

1.50ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG818619378

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818619378

Diamond specifications and retailer prices

From $555 NZD
$313 USD
As of October 29, 2026
Save $3,792 NZD (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,347 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.5ct lab-grown oval diamond

This 1.5ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818619378 or 818619378. Listed at 25 retailers as of October 29, 2026, with prices from $555 to $4,347, a $3,792 spread on the same certified stone. Brilliant Earth lists it at $4,347. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818619378
Dimensions9.60 × 6.39 × 3.85 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.60 mm6.39 mm1.50 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818619378
Side View
Table 59.0%Crown 36.2°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 60.3%

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: Oct 29
Current: $4,347 NZD|Low: $534 NZD|High: $5,163 NZD|Avg: $1,685 NZD|-15.8%
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
Retailer 21
Retailer 22
October 30, 2026
Retailer 3$555 NZD
Retailer 11$621 NZD
Retailer 5$644 NZD
Retailer 4$688 NZD
Retailer 7$690 NZD
Retailer 2$712 NZD
Retailer 19$967 NZD
Retailer 10$1,123 NZD
Retailer 18$1,184 NZD
Retailer 13$1,228 NZD
Retailer 16$1,324 NZD
Retailer 21$1,351 NZD
Retailer 17$1,607 NZD
Retailer 9$1,792 NZD
Retailer 22$2,021 NZD
Retailer 8$2,216 NZD
Retailer 6$2,298 NZD
Retailer 14$2,649 NZD
Retailer 15$2,677 NZD
Retailer 12$2,759 NZD
Retailer 20$2,767 NZD
Brilliant Earth$4,347 NZD

30 data points across 22 retailers

25 retailers$555 NZD to $4,347 NZD

A
Cheapest Retailer
-
$555 NZD
$313 USD
A
Retailer 2
-
$621 NZD
$350 USD
View
Final sale: no returns
A
Retailer 3
-
$644 NZD
$363 USD
View
A
Retailer 4
-
$688 NZD
$388 USD
View
A
Retailer 5
-
$690 NZD
$389 USD
View
A
Retailer 6
-
$712 NZD
£316 GBP
View
A
Retailer 7
-
$967 NZD
$545 USD
View
A
Retailer 8
-
$1,123 NZD
$633 USD
View
A
Retailer 9
-
$1,184 NZD
ZAR 10,784 ZAR
View
A
Retailer 10
-
$1,228 NZD
£545 GBP
View
A
Retailer 11
-
$1,324 NZD
A$1,148 AUD
View
A
Retailer 12
-
$1,607 NZD
A$1,393 AUD
View
B+
Retailer 13
-
$1,792 NZD
$1,010 USD
View
Retailer 14
-
$1,851 NZD
$1,043 USD
View
Price last confirmed 16 days ago
Retailer 15
-
$2,016 NZD
A$1,748 AUD
View
Price last confirmed 77 days ago
B+
Retailer 16
-
$2,021 NZD
$1,139 USD
View
B+
Retailer 17
-
$2,216 NZD
$1,249 USD
View
B+
Retailer 18
-
$2,298 NZD
$1,295 USD
View
B+
Retailer 19
-
$2,580 NZD
SGD 1,965 SGD
View
B+
Retailer 20
-
$2,649 NZD
$1,493 USD
View
B
Retailer 21
-
$2,677 NZD
£1,188 GBP
View
B
Retailer 22
-
$2,759 NZD
$1,555 USD
View
B+
Retailer 23
-
$2,767 NZD
£1,228 GBP
View
Retailer 24
-
$3,748 NZD
$2,112 USD
View
Price last confirmed 60 days ago
Most Expensive
B
Brilliant Earth
20968929A · Oct 30
$4,347 NZD
$2,450 USD
View
24 more retailers have this diamond
Prices start from $555 NZDSave up to $3,792 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
1.50ct Oval
$555 NZD