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Oval|Lab Grown|IGI

1.91ct F IF Oval Lab Grown Diamond

ID • F/IF • IGI LG809650852

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG809650852

Diamond specifications and retailer prices

From $515 AUD
$361 USD
As of November 1, 2026
Save $4,522 AUD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $5,037 AUD at Brilliant Earth · As of November 2, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG809650852 or 809650852. Listed at 24 retailers as of November 1, 2026, with prices from $515 to $5,037, a $4,522 spread on the same certified stone. Brilliant Earth lists it at $5,037. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809650852
Dimensions10.14 × 6.87 × 4.33 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
10.14 mm6.87 mm1.91 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809650852
Side View
Table 59.0%Crown 36.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.0%

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: Nov 1
Current: $5,037 AUD|Low: $495 AUD|High: $5,037 AUD|Avg: $1,608 AUD
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
November 2, 2026
Retailer 18$515 AUD
Retailer 6$598 AUD
Retailer 3$639 AUD
Retailer 4$639 AUD
Retailer 2$658 AUD
Retailer 14$856 AUD
Retailer 10$899 AUD
Retailer 13$1,026 AUD
Retailer 11$1,103 AUD
Retailer 12$1,153 AUD
Retailer 16$1,484 AUD
Retailer 15$1,580 AUD
Retailer 5$2,055 AUD
Retailer 8$2,222 AUD
Retailer 9$2,223 AUD
Retailer 17$2,512 AUD
Retailer 7$4,373 AUD
Brilliant Earth$5,037 AUD

33 data points across 18 retailers

24 retailers$515 AUD to $5,037 AUD

A
Cheapest Retailer
-
$515 AUD
$361 USD
A
Retailer 2
-
$578 AUD
$405 USD
View
Final sale: no returns
A
Retailer 3
-
$598 AUD
$419 USD
View
Retailer 4
-
$639 AUD
$448 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$639 AUD
$448 USD
View
A
Retailer 6
-
$658 AUD
£363 GBP
View
A
Retailer 7
-
$856 AUD
$600 USD
View
A
Retailer 8
-
$899 AUD
$630 USD
View
A
Retailer 9
-
$1,026 AUD
€685 EUR
View
A
Retailer 10
-
$1,103 AUD
ZAR 12,483 ZAR
View
A
Retailer 11
-
$1,132 AUD
$793 USD
View
A
Retailer 12
-
$1,153 AUD
£636 GBP
View
A
Retailer 13
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$1,459 AUD
$1,023 USD
View
A
Retailer 14
-
$1,484 AUD
View
A
Retailer 15
-
$1,580 AUD
$1,107 USD
View
B+
Retailer 16
-
$2,055 AUD
$1,440 USD
View
B+
Retailer 17
-
$2,113 AUD
$1,481 USD
View
B+
Retailer 18
-
$2,222 AUD
$1,557 USD
View
B+
Retailer 19
-
$2,223 AUD
$1,558 USD
View
B+
Retailer 20
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$2,416 AUD
$1,693 USD
View
B+
Retailer 21
-
$2,438 AUD
$1,709 USD
View
B+
Retailer 22
-
$2,512 AUD
£1,386 GBP
View
B
Retailer 23
-
$4,373 AUD
$3,065 USD
View
Most Expensive
B
Brilliant Earth
20536716A · Nov 2
$5,037 AUD
$3,530 USD
View
23 more retailers have this diamond
Prices start from $515 AUDSave up to $4,522 AUD

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
$515 AUD