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Round|Lab Grown|IGI

1.91ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG799648087

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799648087

Diamond specifications and retailer prices

From $705 AUD
$495 USD
As of October 29, 2026
Save $4,392 AUD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,096 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.91ct lab-grown round diamond

This 1.91ct lab-grown round 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 LG799648087 or 799648087. Listed at 23 retailers as of October 29, 2026, with prices from $705 to $5,096, a $4,392 spread on the same certified stone. Brilliant Earth lists it at $5,096. 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
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799648087
Dimensions8.15 × 8.02 × 4.84 mm
L/W Ratio1.02
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
8.15 mm8.02 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799648087
Side View
Table 59.0%Crown 33.3°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.0%

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: $5,096 AUD|Low: $705 AUD|High: $6,093 AUD|Avg: $2,187 AUD|-16.4%
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 30, 2026
Retailer 6$705 AUD
Retailer 19$789 AUD
Retailer 16$819 AUD
Retailer 10$874 AUD
Retailer 14$945 AUD
Retailer 17$1,075 AUD
Retailer 8$1,227 AUD
Retailer 21$1,360 AUD
Retailer 2$1,449 AUD
Retailer 13$1,450 AUD
Retailer 15$1,502 AUD
Retailer 4$2,033 AUD
Retailer 5$2,168 AUD
Retailer 11$2,299 AUD
Retailer 9$2,847 AUD
Retailer 7$3,006 AUD
Retailer 3$3,064 AUD
Retailer 20$3,128 AUD
Retailer 18$3,652 AUD
Retailer 12$4,961 AUD
Brilliant Earth$5,096 AUD

24 data points across 21 retailers

23 retailers$705 AUD to $5,096 AUD

A+
Cheapest Retailer
-
$705 AUD
$495 USD
A
Retailer 2
-
$789 AUD
$554 USD
View
A
Retailer 3
-
$819 AUD
$575 USD
View
Final sale: no returns
A
Retailer 4
-
$874 AUD
$614 USD
View
Retailer 5
-
$945 AUD
$664 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,075 AUD
$755 USD
View
A
Retailer 7
-
$1,227 AUD
$862 USD
View
A
Retailer 8
-
$1,360 AUD
$955 USD
View
A
Retailer 9
-
$1,449 AUD
£802 GBP
View
A
Retailer 10
-
$1,450 AUD
€970 EUR
View
A
Retailer 11
-
$1,502 AUD
ZAR 17,043 ZAR
View
B+
Retailer 12
-
$2,033 AUD
$1,428 USD
View
B+
Retailer 13
-
$2,168 AUD
$1,523 USD
View
B+
Retailer 14
-
$2,299 AUD
$1,615 USD
View
Retailer 15
-
$2,587 AUD
$1,817 USD
View
Price last confirmed 44 days ago
B+
Retailer 16
-
$2,847 AUD
$2,000 USD
View
B+
Retailer 17
-
$3,006 AUD
SGD 2,853 SGD
View
B+
Retailer 18
-
$3,064 AUD
$2,152 USD
View
B+
Retailer 19
-
$3,128 AUD
$2,197 USD
View
B
Retailer 20
-
$3,320 AUD
$2,332 USD
View
B+
Retailer 21
-
$3,652 AUD
£2,020 GBP
View
B
Retailer 22
-
$4,961 AUD
$3,485 USD
View
Most Expensive
B
Brilliant Earth
21420138A · Oct 30
$5,096 AUD
$3,580 USD
View
22 more retailers have this diamond
Prices start from $705 AUDSave up to $4,392 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 Round
$705 AUD