CaratHunter
Plans
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 $240 USD
As of October 29, 2026
Save $2,780 USD (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,020 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 prices from $240 to $3,020, a $2,780 spread on the same certified stone. Brilliant Earth lists it at $3,020. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,020 USD|Low: $239 USD|High: $3,020 USD|Avg: $852 USD
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
October 29, 2026
Retailer 17$240 USD
Retailer 3$268 USD
Retailer 14$278 USD
Retailer 6$297 USD
Retailer 12$297 USD
Retailer 15$502 USD
Retailer 8$508 USD
Retailer 11$511 USD
Retailer 2$561 USD
Retailer 18$806 USD
Retailer 5$955 USD
Retailer 16$959 USD
Retailer 9$995 USD
Retailer 4$1,008 USD
Retailer 10$1,089 USD
Retailer 13$1,193 USD
Retailer 7$2,245 USD
Brilliant Earth$3,020 USD

36 data points across 18 retailers

17 retailers$240 USD to $3,020 USD

A
Cheapest Retailer
-
$240 USD
A
Retailer 2
-
$268 USD
View
Final sale: no returns
A
Retailer 3
-
$278 USD
View
A
Retailer 4
-
$297 USD
View
A
Retailer 5
-
$297 USD
View
A
Retailer 6
-
$502 USD
View
A
Retailer 7
-
$511 USD
ZAR 8,250 ZAR
View
A
Retailer 8
-
$561 USD
£442 GBP
View
B+
Retailer 9
-
$806 USD
View
B+
Retailer 10
-
$955 USD
View
B+
Retailer 11
-
$959 USD
View
B+
Retailer 12
-
$995 USD
SGD 1,344 SGD
View
B+
Retailer 13
-
$1,008 USD
View
B+
Retailer 14
-
$1,080 USD
View
B+
Retailer 15
-
$1,193 USD
£939 GBP
View
Retailer 16
-
$2,245 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21433552A · Oct 29
$3,020 USD
View
16 more retailers have this diamond
Prices start from $240 USDSave up to $2,780 USD

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
$240 USD