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Round|Lab Grown|IGI

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 $180 USD
As of October 29, 2026
Save $949 USD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,129 USD at Reve Diamonds · As of October 28, 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 28, 2026, with prices from $180 to $1,129, a $949 spread on the same certified stone. Reve Diamonds lists it at $1,129. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $399 USD|Low: $173 USD|High: $1,129 USD|Avg: $491 USD|+6.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 29, 2026
Retailer 6$180 USD
Retailer 7$200 USD
Retailer 8$223 USD
Retailer 9$395 USD
Retailer 1$399 USD
Retailer 4$436 USD
Retailer 2$445 USD
Retailer 10$476 USD
Retailer 5$757 USD
Retailer 3$1,048 USD
Reve Diamonds$1,129 USD

42 data points across 11 retailers

15 retailers$180 USD to $1,129 USD

A
Cheapest Retailer
-
$180 USD
A
Retailer 2
-
$200 USD
View
Final sale: no returns
A
Retailer 3
-
$209 USD
View
A
Retailer 4
-
$223 USD
View
A
Retailer 5
-
$223 USD
View
B+
Retailer 6
-
$395 USD
View
A
Retailer 7
-
$399 USD
£314 GBP
View
A
Retailer 8
-
$436 USD
£344 GBP
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$445 USD
View
B+
Retailer 10
-
$476 USD
View
B
Retailer 11
-
$717 USD
View
B
Retailer 12
-
$757 USD
View
B
Retailer 13
-
$771 USD
View
B
Retailer 14
-
$1,048 USD
£825 GBP
View
Most Expensive
B
Reve Diamonds
C1594CEB9 · Oct 28
$1,129 USD
View
14 more retailers have this diamond
Prices start from $180 USDSave up to $949 USD

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
$180 USD