Radiant|Lab Grown|IGI

0.37ct E IF Radiant Lab Grown Diamond

GD • E/IF • IGI LG686508950

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

Certificate IGI LG686508950

Diamond specifications and retailer prices

From $109 USD
As of October 30, 2026
Save $973 USD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,082 USD at Flawless Fine Jewelry · As of October 23, 2026
View at Flawless Fine Jewelry

About this 0.37ct lab-grown radiant diamond

This 0.37ct lab-grown radiant sits in the sub-half-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG686508950 or 686508950. Listed at 18 retailers as of October 23, 2026, with prices from $109 to $1,082, a $973 spread on the same certified stone. Flawless Fine Jewelry lists it at $1,082. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.37
Carat
E
Color
IF
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle45.7°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG686508950
Dimensions5.17 × 3.52 × 2.49 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.17 mm3.52 mm0.37 ctE / IF
OriginLab Grown
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG686508950
Side View
Table 72.0%Crown 45.7°Girdle: Slightly ThickPavilion 37.6°Culet: NoneDepth 70.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,082 USD|Low: $109 USD|High: $1,082 USD|Avg: $412 USD
Flawless Fine Jewelry
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 16
October 30, 2026
Retailer 2$109 USD
Retailer 13$144 USD
Retailer 6$187 USD
Retailer 7$194 USD
Retailer 8$207 USD
Retailer 3$250 USD
Retailer 9$268 USD
Retailer 11$270 USD
Retailer 4$347 USD
Retailer 10$347 USD
Retailer 15$369 USD
Retailer 14$400 USD
Retailer 12$493 USD
Retailer 5$666 USD
Retailer 16$974 USD
Flawless Fine Jewelry$1,082 USD

42 data points across 16 retailers

18 retailers$109 USD to $1,082 USD

A
Cheapest Retailer
-
$109 USD
A
Retailer 2
-
$144 USD
View
B+
Retailer 3
-
$187 USD
View
Final sale: no returns
Retailer 4
-
$194 USD
View
Price last confirmed 9 days ago
Retailer 5
-
$207 USD
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$213 USD
View
Retailer 7
-
$250 USD
View
Price last confirmed 11 days ago
Retailer 8
-
$250 USD
View
Price last confirmed 32 days ago
B+
Retailer 9
-
$268 USD
View
B+
Retailer 10
-
$270 USD
£213 GBP
View
B+
Retailer 11
-
$347 USD
€330 EUR
View
B+
Retailer 12
-
$347 USD
£273 GBP
View
Retailer 13
-
$369 USD
ZAR 5,958 ZAR
View
Price last confirmed 7 days ago
B
Retailer 14
-
$400 USD
View
B
Retailer 15
-
$493 USD
View
Retailer 16
-
$666 USD
View
Price last confirmed 8 days ago
Retailer 17
-
$974 USD
£767 GBP
View
Price last confirmed 9 days ago
Most Expensive
C
Flawless Fine Jewelry
5481662A7 · Oct 23
$1,082 USD
£852 GBP
View
17 more retailers have this diamond
Prices start from $109 USDSave up to $973 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
0.37ct Radiant
$109 USD