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 $636 NZD
HK$2,800 HKD
As of November 1, 2026
Save $2,576 NZD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,211 NZD 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 $636 to $3,211, a $2,576 spread on the same certified stone. Brilliant Earth lists it at $3,211. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,087 NZD|Low: $520 NZD|High: $3,513 NZD|Avg: $1,599 NZD|-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
November 2, 2026
Retailer 9$520 NZD
Retailer 4$636 NZD
Retailer 16$869 NZD
Retailer 13$909 NZD
Retailer 17$916 NZD
Retailer 6$956 NZD
Retailer 3$973 NZD
Retailer 18$1,091 NZD
Retailer 10$1,219 NZD
Retailer 20$1,351 NZD
Retailer 2$1,457 NZD
Retailer 15$1,837 NZD
Retailer 12$1,941 NZD
Retailer 5$2,067 NZD
Retailer 11$2,131 NZD
Retailer 7$2,264 NZD
Retailer 19$2,310 NZD
Retailer 14$2,349 NZD
Retailer 8$2,466 NZD
Brilliant Earth$3,087 NZD

39 data points across 20 retailers

24 retailers$636 NZD to $3,211 NZD

Retailer 1
-
$468 NZD
$264 USD
Price last confirmed 39 days ago
Retailer 2
-
$545 NZD
$307 USD
View
Price last confirmed 41 days ago
Retailer 3
-
$575 NZD
$324 USD
View
Price last confirmed 40 days ago
A
Retailer 4
-
$636 NZD
HK$2,800 HKD
View
Retailer 5
-
$869 NZD
$490 USD
View
Price last confirmed 5 days ago
A
Retailer 6
-
$909 NZD
€488 EUR
View
A
Retailer 7
-
$916 NZD
£406 GBP
View
Retailer 8
-
$956 NZD
$539 USD
View
Price last confirmed 7 days ago
Retailer 9
-
$973 NZD
ZAR 8,861 ZAR
View
Price last confirmed 9 days ago
A
Retailer 10
-
$1,091 NZD
£484 GBP
View
A
Retailer 11
-
$1,219 NZD
$687 USD
View
Retailer 12
-
$1,351 NZD
A$1,171 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$1,457 NZD
$821 USD
View
B+
Retailer 14
-
$1,837 NZD
SGD 1,399 SGD
View
Retailer 15
-
$1,870 NZD
$1,054 USD
View
Price last confirmed 42 days ago
B+
Retailer 16
-
$1,941 NZD
$1,094 USD
View
Retailer 17
-
$2,067 NZD
$1,165 USD
View
Price last confirmed 15 days ago
Retailer 18
-
$2,131 NZD
A$1,848 AUD
View
Price last confirmed 29 days ago
B
Retailer 19
-
$2,264 NZD
$1,276 USD
View
B
Retailer 20
-
$2,310 NZD
£1,025 GBP
View
B
Retailer 21
-
$2,349 NZD
$1,324 USD
View
Retailer 22
-
$2,466 NZD
$1,390 USD
View
Price last confirmed 8 days ago
B
Retailer 23
-
$3,087 NZD
$1,740 USD
View
Most Expensive
B
Brilliant Earth
21633778A · Oct 31
$3,211 NZD
$1,810 USD
View
23 more retailers have this diamond
Prices start from $636 NZDSave up to $2,576 NZD

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
$636 NZD