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Round|Lab Grown|IGI

1.50ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG735528247

Shape and cutting style on the report: Round brilliant

Certificate IGI LG735528247

Diamond specifications and retailer prices

From $277 USD
As of October 29, 2026
Save $1,723 USD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,000 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735528247 or 735528247. Listed at 21 retailers as of October 29, 2026, with prices from $277 to $2,000, a $1,723 spread on the same certified stone. Brilliant Earth lists it at $2,000. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735528247
Dimensions7.34 × 7.29 × 4.52 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
7.34 mm7.29 mm1.50 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735528247
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.7%

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: Oct 29
Current: $2,000 USD|Low: $266 USD|High: $2,290 USD|Avg: $831 USD|-12.7%
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
October 31, 2026
Retailer 4$277 USD
Retailer 6$344 USD
Retailer 15$366 USD
Retailer 3$462 USD
Retailer 12$500 USD
Retailer 2$544 USD
Retailer 11$591 USD
Retailer 8$604 USD
Retailer 7$680 USD
Retailer 10$800 USD
Retailer 9$826 USD
Retailer 5$1,323 USD
Retailer 13$1,380 USD
Retailer 14$1,875 USD
Brilliant Earth$2,000 USD

42 data points across 15 retailers

21 retailers$277 USD to $2,000 USD

A
Cheapest Retailer
-
$277 USD
A
Retailer 2
-
$322 USD
View
A
Retailer 3
-
$344 USD
View
A
Retailer 4
-
$344 USD
View
Retailer 5
-
$366 USD
£288 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
$462 USD
View
A
Retailer 7
-
$500 USD
View
A
Retailer 8
-
$544 USD
€518 EUR
View
A
Retailer 9
-
$591 USD
ZAR 9,550 ZAR
View
A
Retailer 10
-
$604 USD
£476 GBP
View
A
Retailer 11
-
$680 USD
View
A
Retailer 12
-
$800 USD
A$1,231 AUD
View
B+
Retailer 13
-
$826 USD
View
B+
Retailer 14
-
$840 USD
View
B+
Retailer 15
-
$1,105 USD
SGD 1,493 SGD
View
B+
Retailer 16
-
$1,106 USD
View
B+
Retailer 17
-
$1,157 USD
View
B
Retailer 18
-
$1,323 USD
View
B+
Retailer 19
-
$1,380 USD
£1,087 GBP
View
Retailer 20
-
$1,875 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
18205455A · Oct 31
$2,000 USD
View
20 more retailers have this diamond
Prices start from $277 USDSave up to $1,723 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
1.50ct Round
$277 USD