Radiant|Lab Grown|IGI

3.69ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG700576217

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

Certificate IGI LG700576217

Diamond specifications and retailer prices

From $475 USD
As of October 30, 2026
Save $2,815 USD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,290 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.69ct lab-grown radiant diamond

This 3.69ct 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 LG700576217 or 700576217. Listed at 18 retailers as of October 30, 2026, with prices from $475 to $3,290, a $2,815 spread on the same certified stone. Brilliant Earth lists it at $3,290. 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

3.69
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700576217
Dimensions10.76 × 7.59 × 5.05 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.76 mm7.59 mm3.69 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700576217
Side View
Table 64.0%Crown 43.8°Girdle: MediumPavilion 34.5°Culet: NoneDepth 66.5%

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: $3,290 USD|Low: $442 USD|High: $5,580 USD|Avg: $1,354 USD|-41.0%
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
October 31, 2026
Retailer 13$475 USD
Retailer 5$589 USD
Retailer 4$675 USD
Retailer 15$724 USD
Retailer 2$730 USD
Retailer 7$847 USD
Retailer 12$919 USD
Retailer 16$978 USD
Retailer 11$986 USD
Retailer 9$1,396 USD
Retailer 10$1,481 USD
Retailer 8$1,836 USD
Retailer 3$1,923 USD
Retailer 14$2,072 USD
Retailer 6$2,101 USD
Brilliant Earth$3,290 USD

32 data points across 16 retailers

18 retailers$475 USD to $3,290 USD

A
Cheapest Retailer
-
$475 USD
A
Retailer 2
-
$516 USD
View
Retailer 3
-
$571 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$589 USD
View
A
Retailer 5
-
$675 USD
View
Final sale: no returns
A
Retailer 6
-
$724 USD
£570 GBP
View
A
Retailer 7
-
$730 USD
View
Retailer 8
-
$847 USD
€807 EUR
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$919 USD
View
A
Retailer 10
-
$978 USD
£770 GBP
View
A
Retailer 11
-
$986 USD
View
B+
Retailer 12
-
$1,396 USD
View
B+
Retailer 13
-
$1,481 USD
View
B
Retailer 14
-
$1,836 USD
View
B+
Retailer 15
-
$1,923 USD
View
B
Retailer 16
-
$2,072 USD
View
B+
Retailer 17
-
$2,101 USD
£1,654 GBP
View
Most Expensive
B
Brilliant Earth
15002545A · Oct 30
$3,290 USD
View
17 more retailers have this diamond
Prices start from $475 USDSave up to $2,815 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
3.69ct Radiant
$475 USD