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Round|Lab Grown|IGI

3.07ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG848608948

Shape and cutting style on the report: Round brilliant

Certificate IGI LG848608948

Diamond specifications and retailer prices

From $335 USD
As of October 31, 2026
Save $1,715 USD (84%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,050 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.07ct lab-grown round diamond

This 3.07ct 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 LG848608948 or 848608948. Listed at 3 retailers as of October 29, 2026, with prices from $335 to $2,050, a $1,715 spread on the same certified stone. Brilliant Earth lists it at $2,050. 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

3.07
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848608948
Dimensions9.23 × 9.26 × 5.78 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.23 mm9.26 mm3.07 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848608948
Side View
Table 57.0%Crown 36.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $673 USD|Low: $335 USD|High: $679 USD|Avg: $600 USD|-0.2%
Retailer 1
Retailer 2
October 31, 2026
Retailer 2$335 USD
Retailer 1$673 USD

7 data points across 2 retailers

3 retailers$335 USD to $2,050 USD

A
Cheapest Retailer
-
$335 USD
Final sale: no returns
A
Retailer 2
-
$673 USD
£530 GBP
View
Most Expensive
B
Brilliant Earth
22260220A · Oct 29
$2,050 USD
View
2 more retailers have this diamond
Prices start from $335 USDSave up to $1,715 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
3.07ct Round
$335 USD