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Radiant|Lab Grown|IGI

1.17ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG631429445

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

Certificate IGI LG631429445

Diamond specifications and retailer prices

From $208 USD
As of October 30, 2026
Save $1,522 USD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,730 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.17ct lab-grown radiant diamond

This 1.17ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG631429445 or 631429445. Listed at 22 retailers as of October 30, 2026, with prices from $208 to $1,730, a $1,522 spread on the same certified stone. Brilliant Earth lists it at $1,730. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631429445
Dimensions5.18 × 5.18 × 3.55 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.18 mm5.18 mm1.17 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631429445
Side View
Table 63.0%Crown 36.4°Girdle: Slightly ThickPavilion 34.8°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
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: $1,730 USD|Low: $232 USD|High: $2,240 USD|Avg: $675 USD|-22.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 3$232 USD
Retailer 4$348 USD
Retailer 7$444 USD
Retailer 10$469 USD
Retailer 5$476 USD
Retailer 11$500 USD
Retailer 8$631 USD
Retailer 12$727 USD
Retailer 2$833 USD
Retailer 9$1,001 USD
Retailer 6$1,040 USD
Brilliant Earth$1,730 USD

42 data points across 12 retailers

22 retailers$208 USD to $1,730 USD

A
Cheapest Retailer
-
$208 USD
A
Retailer 2
-
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$241 USD
View
Retailer 4
-
$255 USD
View
Price last confirmed 35 days ago
A
Retailer 5
-
$258 USD
View
A
Retailer 6
-
$258 USD
View
B+
Retailer 7
-
$348 USD
View
A
Retailer 8
-
$444 USD
ZAR 7,165 ZAR
View
Retailer 9
-
$469 USD
€447 EUR
View
Price last confirmed 7 days ago
A
Retailer 10
-
$476 USD
£375 GBP
View
A
Retailer 11
-
$500 USD
View
A
Retailer 12
-
$631 USD
A$971 AUD
View
B+
Retailer 13
-
$671 USD
View
B+
Retailer 14
-
$702 USD
£553 GBP
View
B+
Retailer 15
-
$727 USD
View
B+
Retailer 16
-
$830 USD
View
Retailer 17
-
$833 USD
View
B+
Retailer 18
-
$883 USD
View
B+
Retailer 19
-
$1,001 USD
A$1,540 AUD
View
B+
Retailer 20
-
$1,040 USD
£819 GBP
View
B
Retailer 21
-
$1,220 USD
View
Most Expensive
B
Brilliant Earth
14079215A · Oct 30
$1,730 USD
View
21 more retailers have this diamond
Prices start from $208 USDSave up to $1,522 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
1.17ct Radiant
$208 USD