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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 $370 NZD
$208 USD
As of October 30, 2026
Save $2,705 NZD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,075 NZD at Brilliant Earth · As of November 2, 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 $370 to $3,075, a $2,705 spread on the same certified stone. Brilliant Earth lists it at $3,075. 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
Colour
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: $3,075 NZD|Low: $355 NZD|High: $3,981 NZD|Avg: $1,141 NZD|-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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 3, 2026
Retailer 4$370 NZD
Retailer 15$430 NZD
Retailer 5$459 NZD
Retailer 7$459 NZD
Retailer 13$792 NZD
Retailer 12$834 NZD
Retailer 2$846 NZD
Retailer 8$889 NZD
Retailer 10$1,122 NZD
Retailer 11$1,203 NZD
Retailer 9$1,292 NZD
Retailer 6$1,475 NZD
Retailer 16$1,570 NZD
Retailer 3$1,779 NZD
Retailer 17$1,849 NZD
Retailer 14$2,168 NZD
Brilliant Earth$3,075 NZD

43 data points across 17 retailers

22 retailers$370 NZD to $3,075 NZD

A
Cheapest Retailer
-
$370 NZD
$208 USD
A
Retailer 2
-
$412 NZD
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$430 NZD
$242 USD
View
Retailer 4
-
$453 NZD
$255 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$459 NZD
$258 USD
View
Retailer 6
-
$459 NZD
$258 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$619 NZD
$348 USD
View
A
Retailer 8
-
$792 NZD
ZAR 7,201 ZAR
View
A
Retailer 9
-
$834 NZD
€447 EUR
View
A
Retailer 10
-
$846 NZD
£375 GBP
View
A
Retailer 11
-
$889 NZD
$500 USD
View
A
Retailer 12
-
$1,122 NZD
A$971 AUD
View
B+
Retailer 13
-
$1,203 NZD
$677 USD
View
B+
Retailer 14
-
$1,247 NZD
£553 GBP
View
B+
Retailer 15
-
$1,292 NZD
$727 USD
View
B+
Retailer 16
-
$1,475 NZD
$830 USD
View
B+
Retailer 17
-
$1,480 NZD
$833 USD
View
B+
Retailer 18
-
$1,570 NZD
$883 USD
View
Retailer 19
-
$1,779 NZD
A$1,540 AUD
View
Price last confirmed 8 days ago
B+
Retailer 20
-
$1,849 NZD
£819 GBP
View
B
Retailer 21
-
$2,168 NZD
$1,220 USD
View
Most Expensive
B
Brilliant Earth
14079215A · Nov 2
$3,075 NZD
$1,730 USD
View
21 more retailers have this diamond
Prices start from $370 NZDSave up to $2,705 NZD

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
$370 NZD