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Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG781609848

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781609848

Diamond specifications and retailer prices

From $475 NZD
$267 USD
As of November 1, 2026
Save $2,867 NZD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,341 NZD at Brilliant Earth · As of October 28, 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 LG781609848 or 781609848. Listed at 23 retailers as of October 28, 2026, with prices from $475 to $3,341, a $2,867 spread on the same certified stone. Brilliant Earth lists it at $3,341. 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 angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781609848
Dimensions8.05 × 7.99 × 4.88 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.05 mm7.99 mm1.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781609848
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.9%

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: $3,341 NZD|Low: $475 NZD|High: $3,341 NZD|Avg: $1,359 NZD
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
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Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 15$475 NZD
Retailer 8$551 NZD
Retailer 7$588 NZD
Retailer 16$871 NZD
Retailer 12$972 NZD
Retailer 4$979 NZD
Retailer 14$1,016 NZD
Retailer 17$1,084 NZD
Retailer 13$1,127 NZD
Retailer 18$1,225 NZD
Retailer 5$1,370 NZD
Retailer 2$1,511 NZD
Retailer 6$1,895 NZD
Retailer 9$1,985 NZD
Retailer 11$2,124 NZD
Retailer 3$2,268 NZD
Retailer 10$2,424 NZD
Retailer 19$2,645 NZD
Brilliant Earth$3,341 NZD

43 data points across 19 retailers

23 retailers$475 NZD to $3,341 NZD

A
Cheapest Retailer
-
$475 NZD
$267 USD
A
Retailer 2
-
$551 NZD
$310 USD
View
A
Retailer 3
-
$588 NZD
$331 USD
View
Retailer 4
-
$603 NZD
$339 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$871 NZD
$490 USD
View
A
Retailer 6
-
$972 NZD
€521 EUR
View
B+
Retailer 7
-
$979 NZD
$551 USD
View
A
Retailer 8
-
$1,016 NZD
ZAR 9,234 ZAR
View
A
Retailer 9
-
$1,084 NZD
$610 USD
View
A
Retailer 10
-
$1,127 NZD
£499 GBP
View
A
Retailer 11
-
$1,225 NZD
$689 USD
View
B+
Retailer 12
-
$1,370 NZD
A$1,186 AUD
View
Retailer 13
-
$1,479 NZD
A$1,280 AUD
View
Price last confirmed 124 days ago
B+
Retailer 14
-
$1,511 NZD
$850 USD
View
Retailer 15
-
$1,688 NZD
$950 USD
View
Price last confirmed 47 days ago
B+
Retailer 16
-
$1,895 NZD
$1,066 USD
View
B
Retailer 17
-
$1,985 NZD
$1,117 USD
View
Retailer 18
-
$2,124 NZD
$1,195 USD
View
Price last confirmed 29 days ago
B
Retailer 19
-
$2,161 NZD
$1,216 USD
View
B
Retailer 20
-
$2,268 NZD
$1,276 USD
View
Retailer 21
-
$2,424 NZD
£1,074 GBP
View
Price last confirmed 12 days ago
B
Retailer 22
-
$2,645 NZD
$1,488 USD
View
Most Expensive
B
Brilliant Earth
18338005A · Oct 28
$3,341 NZD
$1,880 USD
View
22 more retailers have this diamond
Prices start from $475 NZDSave up to $2,867 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
$475 NZD