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Radiant|Lab Grown|IGI

1.15ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG640446935

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

Certificate IGI LG640446935

Diamond specifications and retailer prices

From $435 NZD
$245 USD
As of October 30, 2026
Save $2,959 NZD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,395 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.15ct lab-grown radiant diamond

This 1.15ct 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 LG640446935 or 640446935. Listed at 21 retailers as of October 30, 2026, with prices from $435 to $3,395, a $2,959 spread on the same certified stone. Brilliant Earth lists it at $3,395. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640446935
Dimensions7.88 × 4.96 × 3.29 mm
L/W Ratio1.59
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.88 mm4.96 mm1.15 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640446935
Side View
Table 63.0%Crown 40.3°Girdle: MediumPavilion 32.6°Culet: NoneDepth 66.3%

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: $3,395 NZD|Low: $418 NZD|High: $3,928 NZD|Avg: $1,278 NZD|-13.6%
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
November 2, 2026
Retailer 3$435 NZD
Retailer 8$487 NZD
Retailer 6$505 NZD
Retailer 4$540 NZD
Retailer 7$540 NZD
Retailer 16$755 NZD
Retailer 12$890 NZD
Retailer 9$932 NZD
Retailer 2$1,025 NZD
Retailer 14$1,317 NZD
Retailer 15$1,411 NZD
Retailer 5$1,736 NZD
Retailer 13$1,792 NZD
Retailer 11$2,165 NZD
Retailer 10$2,364 NZD
Brilliant Earth$3,395 NZD

43 data points across 16 retailers

21 retailers$435 NZD to $3,395 NZD

A
Cheapest Retailer
-
$435 NZD
$245 USD
A
Retailer 2
-
$487 NZD
$274 USD
View
Final sale: no returns
A
Retailer 3
-
$505 NZD
$284 USD
View
Retailer 4
-
$540 NZD
$304 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$540 NZD
$304 USD
View
A
Retailer 6
-
$755 NZD
$425 USD
View
A
Retailer 7
-
$890 NZD
€477 EUR
View
A
Retailer 8
-
$932 NZD
ZAR 8,475 ZAR
View
A
Retailer 9
-
$1,018 NZD
$573 USD
View
A
Retailer 10
-
$1,025 NZD
£454 GBP
View
B+
Retailer 11
-
$1,317 NZD
A$1,140 AUD
View
B+
Retailer 12
-
$1,411 NZD
$794 USD
View
B+
Retailer 13
-
$1,736 NZD
$977 USD
View
Retailer 14
-
$1,742 NZD
$980 USD
View
Price last confirmed 17 days ago
B+
Retailer 15
-
$1,792 NZD
A$1,551 AUD
View
B+
Retailer 16
-
$1,828 NZD
$1,029 USD
View
B+
Retailer 17
-
$1,960 NZD
$1,103 USD
View
B+
Retailer 18
-
$2,165 NZD
£959 GBP
View
B+
Retailer 19
-
$2,364 NZD
$1,330 USD
View
B
Retailer 20
-
$2,377 NZD
$1,337 USD
View
Most Expensive
B
Brilliant Earth
14080924A · Oct 31
$3,395 NZD
$1,910 USD
View
20 more retailers have this diamond
Prices start from $435 NZDSave up to $2,959 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
1.15ct Radiant
$435 NZD