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Radiant|Lab Grown|IGI

3.07ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG754535755

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG754535755

Diamond specifications and retailer prices

From $352 USD
As of October 30, 2026
Save $2,958 USD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,310 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.07ct lab-grown radiant diamond

This 3.07ct lab-grown radiant 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 LG754535755 or 754535755. Listed at 21 retailers as of October 29, 2026, with prices from $352 to $3,310, a $2,958 spread on the same certified stone. Brilliant Earth lists it at $3,310. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754535755
Dimensions10.23 × 7.25 × 4.94 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.23 mm7.25 mm3.07 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754535755
Side View
Table 69.0%Crown 37.5°Girdle: STK-THKPavilion 37°Culet: NoneDepth 68.1%

Caratlytics Score

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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: Oct 30
Current: $3,310 USD|Low: $338 USD|High: $4,640 USD|Avg: $1,047 USD|-0.9%
Brilliant Earth
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
Retailer 17
October 30, 2026
Retailer 16$352 USD
Retailer 6$393 USD
Retailer 15$409 USD
Retailer 3$437 USD
Retailer 17$437 USD
Retailer 13$538 USD
Retailer 7$588 USD
Retailer 12$590 USD
Retailer 11$702 USD
Retailer 2$786 USD
Retailer 8$829 USD
Retailer 14$1,282 USD
Retailer 9$1,396 USD
Retailer 4$1,405 USD
Retailer 5$1,680 USD
Retailer 10$1,709 USD
Brilliant Earth$3,310 USD

38 data points across 17 retailers

21 retailers$352 USD to $3,310 USD

A
Cheapest Retailer
-
$352 USD
A
Retailer 2
-
$393 USD
View
Final sale: no returns
A
Retailer 3
-
$409 USD
View
A
Retailer 4
-
$437 USD
View
A
Retailer 5
-
$437 USD
View
A
Retailer 6
-
$486 USD
HK$3,800 HKD
View
Retailer 7
-
$538 USD
£423 GBP
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$588 USD
View
A
Retailer 9
-
$590 USD
View
A
Retailer 10
-
$702 USD
€669 EUR
View
A
Retailer 11
-
$786 USD
£619 GBP
View
A
Retailer 12
-
$829 USD
View
A
Retailer 13
-
$1,006 USD
View
B+
Retailer 14
-
$1,282 USD
View
B+
Retailer 15
-
$1,396 USD
SGD 1,886 SGD
View
B+
Retailer 16
-
$1,405 USD
View
B+
Retailer 17
-
$1,446 USD
View
B+
Retailer 18
-
$1,680 USD
View
B+
Retailer 19
-
$1,709 USD
£1,346 GBP
View
Retailer 20
-
$2,135 USD
View
Price last confirmed 51 days ago
Most Expensive
B
Brilliant Earth
17154656A · Oct 29
$3,310 USD
View
20 more retailers have this diamond
Prices start from $352 USDSave up to $2,958 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 Radiant
$352 USD