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Round|Lab Grown|IGI

1.04ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG687543835

Shape and cutting style on the report: Round brilliant

Certificate IGI LG687543835

Diamond specifications and retailer prices

From $147 USD
As of November 5, 2026
Save $877 USD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,024 USD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.04ct lab-grown round diamond

This 1.04ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG687543835 or 687543835. Listed at 23 retailers as of November 4, 2026, with prices from $147 to $1,024, a $877 spread on the same certified stone. Reve Diamonds lists it at $1,024. 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

1.04
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687543835
Dimensions6.44 × 6.51 × 3.98 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
Top View
6.44 mm6.51 mm1.04 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687543835
Side View
Table 58.0%Crown 34.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.4%

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: Nov 5
Current: $311 USD|Low: $146 USD|High: $1,024 USD|Avg: $413 USD|+6.5%
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
Retailer 15
Retailer 16
Reve Diamonds
November 6, 2026
Retailer 6$147 USD
Retailer 13$164 USD
Retailer 15$170 USD
Retailer 2$182 USD
Retailer 4$182 USD
Retailer 1$311 USD
Retailer 3$337 USD
Retailer 12$357 USD
Retailer 14$405 USD
Retailer 16$428 USD
Retailer 9$480 USD
Retailer 8$486 USD
Retailer 7$586 USD
Retailer 11$619 USD
Retailer 5$641 USD
Retailer 10$849 USD
Reve Diamonds$1,024 USD

44 data points across 17 retailers

23 retailers$147 USD to $1,024 USD

Retailer 1
-
$146 USD
Price last confirmed 45 days ago
A
Retailer 2
-
$147 USD
View
A
Retailer 3
-
$164 USD
View
Final sale: no returns
A
Retailer 4
-
$170 USD
View
Retailer 5
-
$178 USD
View
Price last confirmed 45 days ago
Retailer 6
-
$182 USD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$182 USD
View
A
Retailer 8
-
$287 USD
View
A
Retailer 9
-
$311 USD
View
B+
Retailer 10
-
$337 USD
View
B+
Retailer 11
-
$357 USD
View
B+
Retailer 12
-
$405 USD
View
B+
Retailer 13
-
$428 USD
View
B+
Retailer 14
-
$480 USD
View
B+
Retailer 15
-
$480 USD
View
B+
Retailer 16
-
$486 USD
View
B+
Retailer 17
-
$491 USD
View
Retailer 18
-
$581 USD
View
Price last confirmed 46 days ago
B
Retailer 19
-
$586 USD
View
B
Retailer 20
-
$619 USD
View
B
Retailer 21
-
$641 USD
View
B
Retailer 22
-
$849 USD
View
Most Expensive
B
Reve Diamonds
124CF4A9A · Nov 4
$1,024 USD
View
22 more retailers have this diamond
Prices start from $147 USDSave up to $877 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
1.04ct Round
$147 USD