CaratHunter
Plans
Radiant|Lab Grown|IGI

1.17ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG735547542

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

Certificate IGI LG735547542

Diamond specifications and retailer prices

From $179 USD
As of October 30, 2026
Save $1,541 USD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,780 USD at Brilliant Earth · As of September 28, 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 LG735547542 or 735547542. Listed at 22 retailers as of October 29, 2026, with a 861% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle27.4°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735547542
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
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
10.37 mm7.13 mm1.17 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735547542
Side View
Table 67.0%Crown 27.4°Girdle: MED-STKPavilion 35°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,720 USD|Low: $199 USD|High: $1,820 USD|Avg: $672 USD|-5.5%
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 13$199 USD
Retailer 4$222 USD
Retailer 10$380 USD
Retailer 15$390 USD
Retailer 6$393 USD
Retailer 2$398 USD
Retailer 8$468 USD
Retailer 12$540 USD
Retailer 16$554 USD
Retailer 5$712 USD
Retailer 7$716 USD
Retailer 9$766 USD
Retailer 3$790 USD
Retailer 17$820 USD
Retailer 11$1,038 USD
Retailer 14$1,300 USD
Brilliant Earth$1,720 USD

41 data points across 17 retailers

22 retailers$179 USD to $1,720 USD

A
Cheapest Retailer
-
$179 USD
A
Retailer 2
-
$199 USD
View
Final sale: no returns
A
Retailer 3
-
$207 USD
View
A
Retailer 4
-
$222 USD
View
A
Retailer 5
-
$222 USD
View
A
Retailer 6
-
$380 USD
ZAR 6,145 ZAR
View
A
Retailer 7
-
$390 USD
€371 EUR
View
A
Retailer 8
-
$393 USD
View
A
Retailer 9
-
$398 USD
£314 GBP
View
A
Retailer 10
-
$468 USD
View
A
Retailer 11
-
$540 USD
A$831 AUD
View
A
Retailer 12
-
$554 USD
View
B+
Retailer 13
-
$712 USD
View
B+
Retailer 14
-
$716 USD
View
B+
Retailer 15
-
$766 USD
View
B+
Retailer 16
-
$790 USD
SGD 1,068 SGD
View
B+
Retailer 17
-
$820 USD
View
B+
Retailer 18
-
$1,038 USD
£817 GBP
View
Retailer 19
-
$1,300 USD
View
Price last confirmed 11 days ago
Retailer 20
-
$1,320 USD
View
Price last confirmed 36 days ago
B
Retailer 21
-
$1,720 USD
View
Most Expensive
Brilliant Earth
16533170A · Sep 28
$1,780 USD
View
Price last confirmed 32 days ago
21 more retailers have this diamond
Prices start from $179 USDSave up to $1,541 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
$179 USD