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Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG833671684

Shape and cutting style on the report: Round brilliant

Certificate IGI LG833671684

Diamond specifications and retailer prices

From $510 AUD
HK$2,800 HKD
As of November 1, 2026
Save $2,066 AUD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,577 AUD at Brilliant Earth · As of October 31, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG833671684 or 833671684. Listed at 24 retailers as of October 31, 2026, with prices from $510 to $2,577, a $2,066 spread on the same certified stone. Brilliant Earth lists it at $2,577. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833671684
Dimensions7.99 × 7.92 × 4.88 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.99 mm7.92 mm1.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833671684
Side View
Table 59.0%Crown 34.6°Girdle: MediumPavilion 41°Culet: NoneDepth 61.3%

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: $2,477 AUD|Low: $417 AUD|High: $2,819 AUD|Avg: $1,249 AUD|-12.1%
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
October 31, 2026
Retailer 9$417 AUD
Retailer 4$510 AUD
Retailer 16$698 AUD
Retailer 2$726 AUD
Retailer 17$735 AUD
Retailer 6$767 AUD
Retailer 3$781 AUD
Retailer 18$876 AUD
Retailer 10$978 AUD
Retailer 20$1,084 AUD
Retailer 13$1,156 AUD
Retailer 15$1,474 AUD
Retailer 12$1,557 AUD
Retailer 5$1,658 AUD
Retailer 11$1,710 AUD
Retailer 7$1,817 AUD
Retailer 19$1,853 AUD
Retailer 14$1,885 AUD
Retailer 8$1,979 AUD
Brilliant Earth$2,477 AUD

38 data points across 20 retailers

24 retailers$510 AUD to $2,577 AUD

Retailer 1
-
$376 AUD
$264 USD
Price last confirmed 39 days ago
Retailer 2
-
$437 AUD
$307 USD
View
Price last confirmed 40 days ago
Retailer 3
-
$461 AUD
$324 USD
View
Price last confirmed 39 days ago
A
Retailer 4
-
$510 AUD
HK$2,800 HKD
View
A
Retailer 5
-
$698 AUD
$490 USD
View
A
Retailer 6
-
$726 AUD
€486 EUR
View
A
Retailer 7
-
$735 AUD
£406 GBP
View
B+
Retailer 8
-
$767 AUD
$539 USD
View
Retailer 9
-
$781 AUD
ZAR 8,861 ZAR
View
Price last confirmed 9 days ago
A
Retailer 10
-
$876 AUD
£484 GBP
View
A
Retailer 11
-
$978 AUD
$687 USD
View
Retailer 12
-
$1,084 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$1,156 AUD
$812 USD
View
B+
Retailer 14
-
$1,474 AUD
SGD 1,399 SGD
View
Retailer 15
-
$1,500 AUD
$1,054 USD
View
Price last confirmed 42 days ago
B+
Retailer 16
-
$1,557 AUD
$1,094 USD
View
Retailer 17
-
$1,658 AUD
$1,165 USD
View
Price last confirmed 14 days ago
Retailer 18
-
$1,710 AUD
View
Price last confirmed 29 days ago
B
Retailer 19
-
$1,817 AUD
$1,276 USD
View
B
Retailer 20
-
$1,853 AUD
£1,025 GBP
View
B
Retailer 21
-
$1,885 AUD
$1,324 USD
View
Retailer 22
-
$1,979 AUD
$1,390 USD
View
Price last confirmed 7 days ago
B
Retailer 23
-
$2,477 AUD
$1,740 USD
View
Most Expensive
B
Brilliant Earth
21633778A · Oct 31
$2,577 AUD
$1,810 USD
View
23 more retailers have this diamond
Prices start from $510 AUDSave up to $2,066 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
$510 AUD