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Oval|Lab Grown|IGI

1.23ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG836620697

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836620697

Diamond specifications and retailer prices

From $426 NZD
$240 USD
As of October 29, 2026
Save $3,194 NZD (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,983 NZD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.23ct lab-grown oval diamond

This 1.23ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836620697 or 836620697. Listed at 17 retailers as of October 29, 2026, with a 750% 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

1.23
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620697
Dimensions8.90 × 6.03 × 3.66 mm
L/W Ratio1.48
Girdle conditionFaceted
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
8.90 mm6.03 mm1.23 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620697
Side View
Table 61.0%Crown 33.7°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 60.7%

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: Oct 29
Current: $3,983 NZD|Low: $424 NZD|High: $5,358 NZD|Avg: $1,511 NZD|-1.3%
Rare Carat
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
October 30, 2026
Retailer 18$426 NZD
Retailer 4$476 NZD
Retailer 15$493 NZD
Retailer 7$527 NZD
Retailer 13$527 NZD
Retailer 16$891 NZD
Retailer 8$902 NZD
Retailer 12$906 NZD
Retailer 11$999 NZD
Retailer 3$1,430 NZD
Retailer 6$1,694 NZD
Retailer 17$1,702 NZD
Retailer 9$1,765 NZD
Retailer 5$1,788 NZD
Retailer 10$1,932 NZD
Retailer 14$2,116 NZD
Retailer 2$3,620 NZD
Rare Carat$3,983 NZD

36 data points across 18 retailers

17 retailers$426 NZD to $3,620 NZD

A
Cheapest Retailer
-
$426 NZD
$240 USD
A
Retailer 2
-
$476 NZD
$268 USD
View
Final sale: no returns
A
Retailer 3
-
$493 NZD
$278 USD
View
A
Retailer 4
-
$527 NZD
$297 USD
View
A
Retailer 5
-
$527 NZD
$297 USD
View
A
Retailer 6
-
$891 NZD
$502 USD
View
A
Retailer 7
-
$906 NZD
ZAR 8,250 ZAR
View
A
Retailer 8
-
$999 NZD
£443 GBP
View
B+
Retailer 9
-
$1,430 NZD
$806 USD
View
B+
Retailer 10
-
$1,694 NZD
$955 USD
View
B+
Retailer 11
-
$1,702 NZD
$959 USD
View
B+
Retailer 12
-
$1,765 NZD
SGD 1,344 SGD
View
B+
Retailer 13
-
$1,788 NZD
$1,008 USD
View
B+
Retailer 14
-
$1,916 NZD
$1,080 USD
View
B+
Retailer 15
-
$2,116 NZD
£939 GBP
View
B
Retailer 16
-
$3,620 NZD
$2,040 USD
View
Most Expensive
Rare Carat
JH-241664 · Oct 21
$3,983 NZD
$2,245 USD
View
Price last confirmed 9 days ago
16 more retailers have this diamond
Prices start from $426 NZDSave up to $3,194 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
1.23ct Oval
$426 NZD