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Round|Lab Grown|IGI

1.34ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG790603872

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790603872

Diamond specifications and retailer prices

From $321 NZD
As of November 6, 2026
Save $1,599 NZD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,920 NZD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.34ct lab-grown round diamond

This 1.34ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG790603872 or 790603872. Listed at 17 retailers as of November 6, 2026, with prices from $321 to $1,920, a $1,599 spread on the same certified stone. Reve Diamonds lists it at $1,920. 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

1.34
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790603872
Dimensions7.12 × 7.16 × 4.32 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
7.12 mm7.16 mm1.34 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790603872
Side View
Table 58.0%Crown 33.1°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.5%

Caratlytics Score

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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 6
Current: $621 NZD|Low: $321 NZD|High: $1,943 NZD|Avg: $925 NZD|-4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
November 6, 2026
Retailer 8$321 NZD
Retailer 2$366 NZD
Retailer 3$615 NZD
Retailer 1$621 NZD
Retailer 10$648 NZD
Retailer 7$788 NZD
Retailer 5$965 NZD
Retailer 6$1,212 NZD
Retailer 9$1,245 NZD
Retailer 4$1,663 NZD
Reve Diamonds$1,920 NZD

43 data points across 11 retailers

17 retailers$321 NZD to $1,920 NZD

Retailer 1
-
$283 NZD
Price last confirmed 37 days ago
Retailer 2
-
$296 NZD
View
Price last confirmed 46 days ago
A
Retailer 3
-
$321 NZD
View
Final sale: no returns
Retailer 4
-
$343 NZD
View
Price last confirmed 46 days ago
Retailer 5
-
$361 NZD
View
Price last confirmed 44 days ago
Retailer 6
-
$366 NZD
View
Price last confirmed 36 days ago
A
Retailer 7
-
$615 NZD
View
A
Retailer 8
-
$621 NZD
View
B+
Retailer 9
-
$648 NZD
View
A
Retailer 10
-
$788 NZD
View
B+
Retailer 11
-
$965 NZD
View
Retailer 12
-
$1,176 NZD
View
Price last confirmed 38 days ago
Retailer 13
-
$1,176 NZD
View
Price last confirmed 47 days ago
B+
Retailer 14
-
$1,212 NZD
View
B+
Retailer 15
-
$1,245 NZD
View
B
Retailer 16
-
$1,663 NZD
View
Most Expensive
B
Reve Diamonds
C4CC4FD3F · Nov 6
$1,920 NZD
$1,064 USD
View
16 more retailers have this diamond
Prices start from $321 NZDSave up to $1,599 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
1.34ct Round
$321 NZD