Round|Lab Grown|IGI

1.09ct G IF Round Lab Grown Diamond

EX • G/IF • IGI LG602365334

Shape and cutting style on the report: Round brilliant

Certificate IGI LG602365334

Diamond specifications and retailer prices

From $183 USD
As of October 29, 2026
Save $957 USD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,140 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG602365334 or 602365334. Listed at 18 retailers as of October 29, 2026, with prices from $183 to $1,140, a $957 spread on the same certified stone. Brilliant Earth lists it at $1,140. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
G
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602365334
Dimensions6.55 × 6.49 × 4.12 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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 Faint Blue
Top View
6.55 mm6.49 mm1.09 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602365334
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $1,140 USD|Low: $175 USD|High: $1,280 USD|Avg: $469 USD|-10.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 13$183 USD
Retailer 3$205 USD
Retailer 5$212 USD
Retailer 7$227 USD
Retailer 14$227 USD
Retailer 8$383 USD
Retailer 11$389 USD
Retailer 15$399 USD
Retailer 2$405 USD
Retailer 9$539 USD
Retailer 4$544 USD
Retailer 12$553 USD
Retailer 6$728 USD
Retailer 10$1,064 USD
Brilliant Earth$1,140 USD

45 data points across 15 retailers

18 retailers$183 USD to $1,140 USD

A
Cheapest Retailer
-
$183 USD
A
Retailer 2
-
$205 USD
View
Final sale: no returns
A
Retailer 3
-
$212 USD
View
A
Retailer 4
-
$227 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$227 USD
View
A
Retailer 6
-
$383 USD
€365 EUR
View
A
Retailer 7
-
$389 USD
ZAR 6,285 ZAR
View
A
Retailer 8
-
$399 USD
View
A
Retailer 9
-
$405 USD
£319 GBP
View
B+
Retailer 10
-
$539 USD
View
B+
Retailer 11
-
$544 USD
View
B+
Retailer 12
-
$553 USD
A$850 AUD
View
B+
Retailer 13
-
$615 USD
SGD 831 SGD
View
B+
Retailer 14
-
$672 USD
View
B+
Retailer 15
-
$728 USD
View
B
Retailer 16
-
$782 USD
View
B
Retailer 17
-
$1,064 USD
£838 GBP
View
Most Expensive
B
Brilliant Earth
20666760A · Oct 31
$1,140 USD
View
17 more retailers have this diamond
Prices start from $183 USDSave up to $957 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
1.09ct Round
$183 USD