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Oval|Lab Grown|IGI

1.31ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG818672344

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818672344

Diamond specifications and retailer prices

From $646 NZD
$364 USD
As of October 29, 2026
Save $5,458 NZD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,104 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.31ct lab-grown oval diamond

This 1.31ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818672344 or 818672344. Listed at 21 retailers as of October 29, 2026, with prices from $646 to $6,104, a $5,458 spread on the same certified stone. Brilliant Earth lists it at $6,104. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818672344
Dimensions8.86 × 6.07 × 3.83 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
8.86 mm6.07 mm1.31 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818672344
Side View
Table 59.0%Crown 35.2°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 63.1%

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: $6,104 NZD|Low: $621 NZD|High: $6,299 NZD|Avg: $2,108 NZD|-3.1%
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
October 31, 2026
Retailer 19$646 NZD
Retailer 4$749 NZD
Retailer 7$802 NZD
Retailer 10$802 NZD
Retailer 14$830 NZD
Retailer 13$1,065 NZD
Retailer 8$1,281 NZD
Retailer 16$1,340 NZD
Retailer 12$1,377 NZD
Retailer 2$1,445 NZD
Retailer 5$1,675 NZD
Retailer 18$2,003 NZD
Retailer 9$2,576 NZD
Retailer 6$2,647 NZD
Retailer 3$2,700 NZD
Retailer 11$3,110 NZD
Retailer 15$3,134 NZD
Retailer 17$4,604 NZD
Brilliant Earth$6,104 NZD

36 data points across 19 retailers

21 retailers$646 NZD to $6,104 NZD

A
Cheapest Retailer
-
$646 NZD
$364 USD
A
Retailer 2
-
$749 NZD
$422 USD
View
A
Retailer 3
-
$802 NZD
$452 USD
View
A
Retailer 4
-
$802 NZD
$452 USD
View
A
Retailer 5
-
$830 NZD
$468 USD
View
Final sale: no returns
A
Retailer 6
-
$1,065 NZD
$600 USD
View
A
Retailer 7
-
$1,281 NZD
$722 USD
View
Retailer 8
-
$1,340 NZD
€719 EUR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$1,377 NZD
ZAR 12,536 ZAR
View
B+
Retailer 10
-
$1,445 NZD
£641 GBP
View
B+
Retailer 11
-
$1,675 NZD
$944 USD
View
B+
Retailer 12
-
$2,003 NZD
$1,129 USD
View
B+
Retailer 13
-
$2,576 NZD
$1,452 USD
View
Retailer 14
-
$2,637 NZD
$1,486 USD
View
Price last confirmed 45 days ago
B+
Retailer 15
-
$2,647 NZD
$1,492 USD
View
B
Retailer 16
-
$2,700 NZD
$1,522 USD
View
B
Retailer 17
-
$3,096 NZD
SGD 2,358 SGD
View
B
Retailer 18
-
$3,110 NZD
£1,380 GBP
View
B+
Retailer 19
-
$3,134 NZD
£1,391 GBP
View
B
Retailer 20
-
$4,604 NZD
$2,595 USD
View
Most Expensive
B
Brilliant Earth
21418147A · Oct 29
$6,104 NZD
$3,440 USD
View
20 more retailers have this diamond
Prices start from $646 NZDSave up to $5,458 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
1.31ct Oval
$646 NZD