CaratHunter
Plans
Oval|Lab Grown|IGI

1.91ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG811623207

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG811623207

Diamond specifications and retailer prices

From $420 USD
As of October 29, 2026
Save $4,260 USD (91%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,680 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.91ct lab-grown oval diamond

This 1.91ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811623207 or 811623207. Listed at 23 retailers as of October 29, 2026, with prices from $420 to $4,680, a $4,260 spread on the same certified stone. Brilliant Earth lists it at $4,680. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811623207
Dimensions10.01 × 7.01 × 4.25 mm
L/W Ratio1.43
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
10.01 mm7.01 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811623207
Side View
Table 61.0%Crown 36.4°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 60.6%

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 29
Current: $4,680 USD|Low: $420 USD|High: $6,850 USD|Avg: $1,464 USD|-31.7%
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
Retailer 20
Retailer 21
October 31, 2026
Retailer 3$420 USD
Retailer 2$470 USD
Retailer 20$471 USD
Retailer 8$521 USD
Retailer 10$521 USD
Retailer 18$665 USD
Retailer 9$777 USD
Retailer 19$777 USD
Retailer 11$822 USD
Retailer 13$858 USD
Retailer 17$895 USD
Retailer 21$1,461 USD
Retailer 6$1,585 USD
Retailer 5$1,675 USD
Retailer 14$1,708 USD
Retailer 12$1,756 USD
Retailer 7$1,799 USD
Retailer 16$1,924 USD
Retailer 15$1,938 USD
Retailer 4$3,570 USD
Brilliant Earth$4,680 USD

25 data points across 21 retailers

23 retailers$420 USD to $4,680 USD

A+
Cheapest Retailer
-
$420 USD
A
Retailer 2
-
$470 USD
View
Final sale: no returns
A
Retailer 3
-
$471 USD
View
A
Retailer 4
-
$521 USD
View
A
Retailer 5
-
$521 USD
View
A
Retailer 6
-
$665 USD
View
A
Retailer 7
-
$777 USD
€740 EUR
View
A
Retailer 8
-
$777 USD
View
A
Retailer 9
-
$822 USD
View
A
Retailer 10
-
$858 USD
£676 GBP
View
A
Retailer 11
-
$895 USD
ZAR 14,463 ZAR
View
Retailer 12
-
$1,294 USD
View
Price last confirmed 15 days ago
B+
Retailer 13
-
$1,461 USD
View
B+
Retailer 14
-
$1,585 USD
View
B+
Retailer 15
-
$1,675 USD
View
B+
Retailer 16
-
$1,708 USD
View
B+
Retailer 17
-
$1,756 USD
SGD 2,373 SGD
View
B+
Retailer 18
-
$1,799 USD
View
B+
Retailer 19
-
$1,924 USD
£1,515 GBP
View
B+
Retailer 20
-
$1,938 USD
View
B+
Retailer 21
-
$1,950 USD
View
Retailer 22
-
$3,570 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21423019A · Oct 30
$4,680 USD
View
22 more retailers have this diamond
Prices start from $420 USDSave up to $4,260 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+
1.91ct Oval
$420 USD