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1.34ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG779641748

Shape and cutting style on the report: Round brilliant

Certificate IGI LG779641748

Diamond specifications and retailer prices

From $320 NZD
$180 USD
As of October 29, 2026
Save $1,690 NZD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,010 NZD at Reve Diamonds · As of October 30, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG779641748 or 779641748. Listed at 15 retailers as of October 29, 2026, with prices from $320 to $2,010, a $1,690 spread on the same certified stone. Reve Diamonds lists it at $2,010. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779641748
Dimensions7.14 × 7.10 × 4.31 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
7.14 mm7.10 mm1.34 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779641748
Side View
Table 60.0%Crown 33.2°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.4%

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: $713 NZD|Low: $308 NZD|High: $2,010 NZD|Avg: $876 NZD|+6.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 30, 2026
Retailer 6$320 NZD
Retailer 7$356 NZD
Retailer 8$397 NZD
Retailer 9$703 NZD
Retailer 1$713 NZD
Retailer 4$777 NZD
Retailer 2$792 NZD
Retailer 10$848 NZD
Retailer 5$1,348 NZD
Retailer 3$1,866 NZD
Reve Diamonds$2,010 NZD

43 data points across 11 retailers

15 retailers$320 NZD to $2,010 NZD

A
Cheapest Retailer
-
$320 NZD
$180 USD
A
Retailer 2
-
$356 NZD
$200 USD
View
Final sale: no returns
A
Retailer 3
-
$372 NZD
$209 USD
View
A
Retailer 4
-
$397 NZD
$223 USD
View
A
Retailer 5
-
$397 NZD
$223 USD
View
B+
Retailer 6
-
$703 NZD
$395 USD
View
A
Retailer 7
-
$713 NZD
£315 GBP
View
Retailer 8
-
$777 NZD
£344 GBP
View
Price last confirmed 13 days ago
B+
Retailer 9
-
$792 NZD
$445 USD
View
B+
Retailer 10
-
$848 NZD
$476 USD
View
B
Retailer 11
-
$1,277 NZD
$717 USD
View
Retailer 12
-
$1,348 NZD
$757 USD
View
Price last confirmed 7 days ago
B
Retailer 13
-
$1,372 NZD
$771 USD
View
B
Retailer 14
-
$1,866 NZD
£825 GBP
View
Most Expensive
B
Reve Diamonds
C1594CEB9 · Oct 30
$2,010 NZD
$1,129 USD
View
14 more retailers have this diamond
Prices start from $320 NZDSave up to $1,690 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
$320 NZD