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Round|Lab Grown|IGI

1.50ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG677564735

Shape and cutting style on the report: Round brilliant

Certificate IGI LG677564735

Diamond specifications and retailer prices

From $202 USD
As of November 5, 2026
Save $999 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,201 USD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG677564735 or 677564735. Listed at 15 retailers as of November 5, 2026, with prices from $202 to $1,201, a $999 spread on the same certified stone. Reve Diamonds lists it at $1,201. 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

1.50
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677564735
Dimensions7.37 × 7.32 × 4.42 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
7.37 mm7.32 mm1.50 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677564735
Side View
Table 61.0%Crown 33.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.2%

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: Nov 5
Current: $455 USD|Low: $202 USD|High: $1,201 USD|Avg: $542 USD|-8.3%
Retailer 1
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
Reve Diamonds
November 6, 2026
Retailer 5$202 USD
Retailer 2$225 USD
Retailer 3$235 USD
Retailer 14$251 USD
Retailer 6$283 USD
Retailer 12$423 USD
Retailer 10$435 USD
Retailer 1$455 USD
Retailer 9$582 USD
Retailer 8$730 USD
Retailer 13$807 USD
Retailer 11$810 USD
Retailer 4$860 USD
Retailer 7$1,170 USD
Reve Diamonds$1,201 USD

44 data points across 15 retailers

15 retailers$202 USD to $1,201 USD

A
Cheapest Retailer
-
$202 USD
A
Retailer 2
-
$225 USD
View
Final sale: no returns
A
Retailer 3
-
$235 USD
View
A
Retailer 4
-
$251 USD
View
Retailer 5
-
$283 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$423 USD
View
B+
Retailer 7
-
$435 USD
View
A
Retailer 8
-
$455 USD
View
B+
Retailer 9
-
$582 USD
View
B+
Retailer 10
-
$730 USD
View
B
Retailer 11
-
$807 USD
View
B+
Retailer 12
-
$810 USD
View
B
Retailer 13
-
$860 USD
View
B
Retailer 14
-
$1,170 USD
View
Most Expensive
B
Reve Diamonds
C6DDC8026 · Nov 6
$1,201 USD
View
14 more retailers have this diamond
Prices start from $202 USDSave up to $999 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
$202 USD