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Round|Lab Grown|IGI

1.02ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG665405860

Shape and cutting style on the report: Round brilliant

Certificate IGI LG665405860

Diamond specifications and retailer prices

From $145 USD
As of November 5, 2026
Save $872 USD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,017 USD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.02ct lab-grown round diamond

This 1.02ct 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 LG665405860 or 665405860. Listed at 23 retailers as of November 4, 2026, with prices from $145 to $1,017, a $872 spread on the same certified stone. Reve Diamonds lists it at $1,017. 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

1.02
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665405860
Dimensions6.55 × 6.50 × 3.97 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
6.55 mm6.50 mm1.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665405860
Side View
Table 57.0%Crown 34.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.8%

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: $305 USD|Low: $144 USD|High: $1,017 USD|Avg: $404 USD|+6.3%
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
Retailer 15
Retailer 16
Reve Diamonds
November 6, 2026
Retailer 6$145 USD
Retailer 13$161 USD
Retailer 14$168 USD
Retailer 2$179 USD
Retailer 4$179 USD
Retailer 1$305 USD
Retailer 10$320 USD
Retailer 3$333 USD
Retailer 12$353 USD
Retailer 16$424 USD
Retailer 15$460 USD
Retailer 8$480 USD
Retailer 7$577 USD
Retailer 11$609 USD
Retailer 5$632 USD
Retailer 9$836 USD
Reve Diamonds$1,017 USD

44 data points across 17 retailers

23 retailers$145 USD to $1,017 USD

Retailer 1
-
$144 USD
Price last confirmed 45 days ago
A
Retailer 2
-
$145 USD
View
A
Retailer 3
-
$161 USD
View
Final sale: no returns
A
Retailer 4
-
$168 USD
View
Retailer 5
-
$176 USD
View
Price last confirmed 45 days ago
Retailer 6
-
$179 USD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$179 USD
View
A
Retailer 8
-
$277 USD
View
A
Retailer 9
-
$305 USD
View
A
Retailer 10
-
$320 USD
View
B+
Retailer 11
-
$333 USD
View
B+
Retailer 12
-
$353 USD
View
Retailer 13
-
$405 USD
View
Price last confirmed 58 days ago
B+
Retailer 14
-
$424 USD
View
B
Retailer 15
-
$460 USD
View
B+
Retailer 16
-
$480 USD
View
B+
Retailer 17
-
$482 USD
View
Retailer 18
-
$572 USD
View
Price last confirmed 46 days ago
B
Retailer 19
-
$577 USD
View
B
Retailer 20
-
$609 USD
View
B
Retailer 21
-
$632 USD
View
B
Retailer 22
-
$836 USD
View
Most Expensive
B
Reve Diamonds
D58D8D9DF · Nov 4
$1,017 USD
View
22 more retailers have this diamond
Prices start from $145 USDSave up to $872 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
1.02ct Round
$145 USD