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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 $178 USD
As of November 1, 2026
Save $886 USD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,064 USD at Reve Diamonds · As of November 1, 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 16 retailers as of November 1, 2026, with prices from $178 to $1,064, a $886 spread on the same certified stone. Reve Diamonds lists it at $1,064. 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
Color
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 1
Current: $925 USD|Low: $178 USD|High: $1,077 USD|Avg: $509 USD|-2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
November 2, 2026
Retailer 6$178 USD
Retailer 9$203 USD
Retailer 2$347 USD
Retailer 3$347 USD
Retailer 8$359 USD
Retailer 5$437 USD
Retailer 4$672 USD
Retailer 7$691 USD
Retailer 1$925 USD
Reve Diamonds$1,064 USD

42 data points across 10 retailers

16 retailers$178 USD to $1,064 USD

Retailer 1
-
$157 USD
Price last confirmed 32 days ago
Retailer 2
-
$164 USD
View
Price last confirmed 41 days ago
A
Retailer 3
-
$178 USD
View
Final sale: no returns
Retailer 4
-
$190 USD
View
Price last confirmed 41 days ago
Retailer 5
-
$200 USD
View
Price last confirmed 39 days ago
Retailer 6
-
$203 USD
View
Price last confirmed 31 days ago
A
Retailer 7
-
$347 USD
£273 GBP
View
A
Retailer 8
-
$347 USD
£274 GBP
View
B+
Retailer 9
-
$359 USD
View
A
Retailer 10
-
$437 USD
View
Retailer 11
-
$652 USD
View
Price last confirmed 33 days ago
Retailer 12
-
$652 USD
View
Price last confirmed 42 days ago
B
Retailer 13
-
$672 USD
View
B
Retailer 14
-
$691 USD
View
B
Retailer 15
-
$925 USD
£728 GBP
View
Most Expensive
B
Reve Diamonds
C4CC4FD3F · Nov 1
$1,064 USD
View
15 more retailers have this diamond
Prices start from $178 USDSave up to $886 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
$178 USD