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Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG636471876

Shape and cutting style on the report: Round brilliant

Certificate IGI LG636471876

Diamond specifications and retailer prices

From $429 NZD
$242 USD
As of October 29, 2026
Save $3,705 NZD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,134 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG636471876 or 636471876. Listed at 11 retailers as of October 29, 2026, with prices from $429 to $4,134, a $3,705 spread on the same certified stone. Do Amore Diamonds lists it at $4,134. 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 angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636471876
Dimensions7.98 × 7.95 × 4.87 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.98 mm7.95 mm1.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636471876
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.2%

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: Oct 29
Current: $4,134 NZD|Low: $369 NZD|High: $4,170 NZD|Avg: $1,862 NZD|+2.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 29, 2026
Retailer 17$429 NZD
Retailer 3$486 NZD
Retailer 16$499 NZD
Retailer 15$898 NZD
Retailer 10$938 NZD
Retailer 5$1,117 NZD
Retailer 11$1,368 NZD
Retailer 7$1,576 NZD
Retailer 4$1,579 NZD
Retailer 13$1,719 NZD
Retailer 14$1,891 NZD
Retailer 12$2,032 NZD
Retailer 2$2,371 NZD
Retailer 6$2,407 NZD
Retailer 8$3,015 NZD
Retailer 9$3,602 NZD
Do Amore Diamonds$4,134 NZD

36 data points across 17 retailers

11 retailers$429 NZD to $4,134 NZD

A
Cheapest Retailer
-
$429 NZD
$242 USD
A
Retailer 2
-
$499 NZD
$281 USD
View
B+
Retailer 3
-
$898 NZD
$506 USD
View
A
Retailer 4
-
$938 NZD
£416 GBP
View
B+
Retailer 5
-
$1,368 NZD
A$1,186 AUD
View
B+
Retailer 6
-
$1,517 NZD
$855 USD
View
Retailer 7
-
$1,719 NZD
$969 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$1,891 NZD
$1,066 USD
View
Retailer 9
-
$2,032 NZD
$1,145 USD
View
Price last confirmed 15 days ago
B
Retailer 10
-
$2,371 NZD
£1,052 GBP
View
Most Expensive
B
Do Amore Diamonds
27-25C559E9C · Oct 29
$4,134 NZD
$2,330 USD
View
10 more retailers have this diamond
Prices start from $429 NZDSave up to $3,705 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
$429 NZD