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Oval|Lab Grown|IGI

1.23ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG836619634

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836619634

Diamond specifications and retailer prices

From $271 USD
As of October 30, 2026
Save $1,729 USD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,630 USD 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836619634 or 836619634. Listed at 16 retailers as of October 30, 2026, with a 638% 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
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619634
Dimensions8.59 × 6.03 × 3.78 mm
L/W Ratio1.42
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
8.59 mm6.03 mm1.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619634
Side View
Table 61.0%Crown 35.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: $2,630 USD|Low: $271 USD|High: $2,720 USD|Avg: $920 USD|-0.4%
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
October 31, 2026
Retailer 5$271 USD
Retailer 14$300 USD
Retailer 11$310 USD
Retailer 8$495 USD
Retailer 16$506 USD
Retailer 2$515 USD
Retailer 13$516 USD
Retailer 9$569 USD
Retailer 4$788 USD
Retailer 3$969 USD
Retailer 7$1,006 USD
Retailer 6$1,017 USD
Retailer 15$1,089 USD
Retailer 12$1,210 USD
Retailer 10$2,000 USD
Rare Carat$2,630 USD

29 data points across 16 retailers

16 retailers$271 USD to $2,000 USD

A+
Cheapest Retailer
-
$271 USD
Final sale: no returns
A
Retailer 2
-
$300 USD
View
A
Retailer 3
-
$310 USD
£244 GBP
View
Retailer 4
-
$495 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$506 USD
View
A
Retailer 6
-
$515 USD
€490 EUR
View
A
Retailer 7
-
$516 USD
ZAR 8,334 ZAR
View
A
Retailer 8
-
$569 USD
£448 GBP
View
B+
Retailer 9
-
$788 USD
View
B+
Retailer 10
-
$969 USD
View
B+
Retailer 11
-
$1,006 USD
SGD 1,359 SGD
View
B+
Retailer 12
-
$1,017 USD
View
B+
Retailer 13
-
$1,089 USD
View
B+
Retailer 14
-
$1,210 USD
£953 GBP
View
B
Retailer 15
-
$2,000 USD
View
Most Expensive
Rare Carat
JH-249451 · Oct 21
$2,630 USD
View
Price last confirmed 10 days ago
15 more retailers have this diamond
Prices start from $271 USDSave up to $1,729 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
$271 USD