Oval|Lab Grown|IGI

1.30ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG830644628

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG830644628

Diamond specifications and retailer prices

From $336 USD
As of October 26, 2026
Save $1,409 USD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,090 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.3ct lab-grown oval diamond

This 1.3ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830644628 or 830644628. Listed at 21 retailers as of October 26, 2026, with a 419% 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

1.30
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830644628
Dimensions8.92 × 6.19 × 3.82 mm
L/W Ratio1.44
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
8.92 mm6.19 mm1.30 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830644628
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.7%

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 26
Current: $4,090 USD|Low: $271 USD|High: $4,090 USD|Avg: $1,117 USD
Brilliant Earth
Retailer 2
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Retailer 23
October 28, 2026
Retailer 23$336 USD
Retailer 7$390 USD
Retailer 9$415 USD
Retailer 3$417 USD
Retailer 6$417 USD
Retailer 2$570 USD
Retailer 20$645 USD
Retailer 22$660 USD
Retailer 21$680 USD
Retailer 18$705 USD
Retailer 13$743 USD
Retailer 11$898 USD
Retailer 10$901 USD
Retailer 5$1,340 USD
Retailer 12$1,383 USD
Retailer 8$1,476 USD
Retailer 14$1,478 USD
Retailer 15$1,628 USD
Retailer 17$1,673 USD
Retailer 16$1,745 USD
Retailer 4$2,516 USD
Retailer 19$3,090 USD
Brilliant Earth$4,090 USD

39 data points across 23 retailers

21 retailers$336 USD to $1,745 USD

A
Cheapest Retailer
-
$336 USD
Retailer 2
-
$390 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$417 USD
View
A
Retailer 4
-
$417 USD
View
A
Retailer 5
-
$570 USD
View
A
Retailer 6
-
$660 USD
View
A
Retailer 7
-
$680 USD
View
Retailer 8
-
$705 USD
ZAR 11,387 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$743 USD
£585 GBP
View
B+
Retailer 10
-
$898 USD
View
B+
Retailer 11
-
$901 USD
View
Retailer 12
-
$1,340 USD
View
Price last confirmed 7 days ago
B
Retailer 13
-
$1,383 USD
View
B
Retailer 14
-
$1,478 USD
CA$2,052 CAD
View
B
Retailer 15
-
$1,506 USD
View
B
Retailer 16
-
$1,628 USD
View
B+
Retailer 17
-
$1,673 USD
£1,317 GBP
View
B
Retailer 18
-
$1,745 USD
View
Retailer 19
-
$2,516 USD
View
Price last confirmed 10 days ago
Retailer 20
-
$3,090 USD
View
Price last confirmed 13 days ago
Most Expensive
Brilliant Earth
21454383A · Oct 28
$4,090 USD
View
Price under review
20 more retailers have this diamond
Prices start from $336 USDSave up to $1,409 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
1.30ct Oval
$336 USD