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1.91ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG807673380

Shape and cutting style on the report: Round brilliant

Certificate IGI LG807673380

Diamond specifications and retailer prices

From $1,410 NZD
A$1,218 AUD
As of October 29, 2026
Save $4,965 NZD (78%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,374 NZD at Brilliant Earth · As of October 29, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG807673380 or 807673380. Listed at 5 retailers as of October 29, 2026, with prices from $1,410 to $6,374, a $4,965 spread on the same certified stone. Brilliant Earth lists it at $6,374. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807673380
Dimensions7.89 × 7.81 × 4.88 mm
L/W Ratio1.01
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
7.89 mm7.81 mm1.91 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807673380
Side View
Table 59.0%Crown 36.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $6,374 NZD|Low: $533 NZD|High: $6,374 NZD|Avg: $2,160 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
October 29, 2026
Retailer 5$533 NZD
Retailer 12$974 NZD
Retailer 8$1,157 NZD
Retailer 11$1,193 NZD
Retailer 3$1,291 NZD
Retailer 9$1,389 NZD
Retailer 2$1,410 NZD
Retailer 13$1,483 NZD
Retailer 10$2,295 NZD
Retailer 7$2,450 NZD
Retailer 14$2,900 NZD
Retailer 4$3,259 NZD
Retailer 6$3,803 NZD
Brilliant Earth$6,374 NZD

10 data points across 14 retailers

5 retailers$1,410 NZD to $6,374 NZD

A
Cheapest Retailer
-
$1,410 NZD
A$1,218 AUD
Retailer 2
-
$1,483 NZD
ZAR 13,453 ZAR
View
Price last confirmed 41 days ago
Retailer 3
-
$1,912 NZD
$1,074 USD
View
Price last confirmed 41 days ago
Retailer 4
-
$2,295 NZD
$1,289 USD
View
Price last confirmed 40 days ago
Most Expensive
B
Brilliant Earth
20478079A · Oct 29
$6,374 NZD
$3,580 USD
View
4 more retailers have this diamond
Prices start from $1,410 NZDSave up to $4,965 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
$1,410 NZD