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Round|Lab Grown|IGI

3.08ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG685591086

Shape and cutting style on the report: Round brilliant

Certificate IGI LG685591086

Diamond specifications and retailer prices

From $350 USD
As of November 5, 2026
Save $1,420 USD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,770 USD at Rare Carat · As of November 4, 2026
View at Rare Carat

About this 3.08ct lab-grown round diamond

This 3.08ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG685591086 or 685591086. Listed at 14 retailers as of November 4, 2026, with prices from $350 to $1,770, a $1,420 spread on the same certified stone. Rare Carat lists it at $1,770. 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

3.08
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685591086
Dimensions9.37 × 9.41 × 5.74 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.37 mm9.41 mm3.08 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685591086
Side View
Table 57.0%Crown 34.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,770 USD|Low: $350 USD|High: $4,238 USD|Avg: $1,161 USD|-3.3%
Rare Carat
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 5, 2026
Retailer 11$350 USD
Retailer 10$406 USD
Retailer 12$434 USD
Retailer 4$486 USD
Retailer 2$576 USD
Retailer 15$585 USD
Retailer 3$696 USD
Retailer 6$697 USD
Retailer 9$771 USD
Retailer 5$952 USD
Retailer 14$1,273 USD
Retailer 13$1,396 USD
Retailer 8$1,691 USD
Rare Carat$1,770 USD
Retailer 7$4,238 USD

9 data points across 15 retailers

14 retailers$350 USD to $1,770 USD

A
Cheapest Retailer
-
$350 USD
A
Retailer 2
-
$406 USD
View
A
Retailer 3
-
$434 USD
View
A
Retailer 4
-
$486 USD
View
A
Retailer 5
-
$576 USD
View
A
Retailer 6
-
$585 USD
View
Retailer 7
-
$696 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$697 USD
View
A
Retailer 9
-
$771 USD
View
A
Retailer 10
-
$952 USD
View
B+
Retailer 11
-
$1,273 USD
View
B+
Retailer 12
-
$1,396 USD
View
B
Retailer 13
-
$1,691 USD
View
Most Expensive
B
Rare Carat
KI0865910KF685 · Nov 4
$1,770 USD
View
13 more retailers have this diamond
Prices start from $350 USDSave up to $1,420 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
3.08ct Round
$350 USD