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1.79ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG787619994

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787619994

Diamond specifications and retailer prices

From $414 NZD
$233 USD
As of November 1, 2026
Save $1,647 NZD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,061 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.79ct lab-grown round diamond

This 1.79ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG787619994 or 787619994. Listed at 13 retailers as of November 1, 2026, with prices from $414 to $2,061, a $1,647 spread on the same certified stone. MOH London lists it at $2,061. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.79
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787619994
Dimensions7.76 × 7.71 × 4.78 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
7.76 mm7.71 mm1.79 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787619994
Side View
Table 59.0%Crown 36.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.9%

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: $2,061 NZD|Low: $411 NZD|High: $3,270 NZD|Avg: $1,170 NZD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 9$414 NZD
Retailer 10$464 NZD
Retailer 3$514 NZD
Retailer 2$845 NZD
Retailer 12$873 NZD
Retailer 5$961 NZD
Retailer 11$981 NZD
Retailer 4$1,026 NZD
Retailer 8$1,337 NZD
Retailer 7$1,466 NZD
Retailer 6$1,937 NZD
MOH London$2,061 NZD

33 data points across 12 retailers

13 retailers$414 NZD to $2,061 NZD

A
Cheapest Retailer
-
$414 NZD
$233 USD
A
Retailer 2
-
$464 NZD
$261 USD
View
Final sale: no returns
Retailer 3
-
$514 NZD
$289 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$845 NZD
€453 EUR
View
B+
Retailer 5
-
$873 NZD
$491 USD
View
A
Retailer 6
-
$961 NZD
£426 GBP
View
A
Retailer 7
-
$981 NZD
$552 USD
View
B+
Retailer 8
-
$1,026 NZD
$577 USD
View
B+
Retailer 9
-
$1,337 NZD
$752 USD
View
B+
Retailer 10
-
$1,466 NZD
$825 USD
View
Retailer 11
-
$1,509 NZD
$849 USD
View
Price last confirmed 48 days ago
B
Retailer 12
-
$1,937 NZD
$1,090 USD
View
Most Expensive
B
MOH London
LG787619994 · Nov 1
$2,061 NZD
£913 GBP
View
12 more retailers have this diamond
Prices start from $414 NZDSave up to $1,647 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
1.79ct Round
$414 NZD