Round|Lab Grown|IGI

3.08ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG841680464

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841680464

Diamond specifications and retailer prices

From $682 USD
£537 GBP
As of October 30, 2026
Save $1,378 USD (67%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,060 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.08ct lab-grown round diamond

This 3.08ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG841680464 or 841680464. Listed at 2 retailers as of October 30, 2026, with prices from $682 to $2,060, a $1,378 spread on the same certified stone. Brilliant Earth lists it at $2,060. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841680464
Dimensions9.29 × 9.35 × 5.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.29 mm9.35 mm3.08 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841680464
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $682 USD|Low: $675 USD|High: $734 USD|Avg: $707 USD|-7.1%
October 30, 2026
Retailer 1$682 USD

11 data points across 1 retailer

2 retailers$682 USD to $2,060 USD

A
Cheapest Retailer
-
$682 USD
£537 GBP
Most Expensive
B
Brilliant Earth
21714775A · Oct 30
$2,060 USD
View
1 more retailer has this diamond
Prices start from $682 USDSave up to $1,378 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
$682 USD