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Radiant|Lab Grown|IGI

1.09ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG635497403

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

Certificate IGI LG635497403

Diamond specifications and retailer prices

From $371 NZD
$209 USD
As of November 2, 2026
Save $1,801 NZD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,324 NZD at Brilliant Earth · As of October 15, 2026
View at Brilliant Earth

About this 1.09ct lab-grown radiant diamond

This 1.09ct 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 LG635497403 or 635497403. Listed at 23 retailers as of November 1, 2026, with a 485% 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

1.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635497403
Dimensions7.19 × 5.13 × 3.49 mm
L/W Ratio1.40
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
7.19 mm5.13 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635497403
Side View
Table 65.0%Crown 43°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 68.0%

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: Nov 2
Current: $3,324 NZD|Low: $357 NZD|High: $3,501 NZD|Avg: $1,160 NZD|+1.6%
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
Retailer 17
Retailer 18
Retailer 19
November 3, 2026
Retailer 6$371 NZD
Retailer 4$416 NZD
Retailer 9$430 NZD
Retailer 7$460 NZD
Retailer 10$460 NZD
Retailer 3$490 NZD
Retailer 18$622 NZD
Retailer 15$748 NZD
Retailer 13$795 NZD
Retailer 2$850 NZD
Retailer 11$1,018 NZD
Retailer 16$1,121 NZD
Retailer 12$1,126 NZD
Retailer 8$1,480 NZD
Retailer 17$1,665 NZD
Retailer 14$1,846 NZD
Retailer 19$2,151 NZD
Retailer 5$2,173 NZD
Brilliant Earth$3,324 NZD

40 data points across 19 retailers

23 retailers$371 NZD to $2,173 NZD

A
Cheapest Retailer
-
$371 NZD
$209 USD
A
Retailer 2
-
$416 NZD
$234 USD
View
Final sale: no returns
A
Retailer 3
-
$430 NZD
$242 USD
View
Retailer 4
-
$460 NZD
$259 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$460 NZD
$259 USD
View
A
Retailer 6
-
$622 NZD
$350 USD
View
A
Retailer 7
-
$748 NZD
€401 EUR
View
A
Retailer 8
-
$795 NZD
ZAR 7,229 ZAR
View
A
Retailer 9
-
$850 NZD
£377 GBP
View
Retailer 10
-
$938 NZD
$528 USD
View
Price last confirmed 7 days ago
A
Retailer 11
-
$1,018 NZD
$573 USD
View
A
Retailer 12
-
$1,121 NZD
$631 USD
View
A
Retailer 13
-
$1,126 NZD
A$975 AUD
View
B+
Retailer 14
-
$1,143 NZD
$643 USD
View
B+
Retailer 15
-
$1,480 NZD
$833 USD
View
B+
Retailer 16
-
$1,573 NZD
$885 USD
View
B+
Retailer 17
-
$1,575 NZD
$886 USD
View
B+
Retailer 18
-
$1,665 NZD
A$1,441 AUD
View
B+
Retailer 19
-
$1,675 NZD
£742 GBP
View
B+
Retailer 20
-
$1,846 NZD
£818 GBP
View
Retailer 21
-
$2,151 NZD
$1,210 USD
View
Price last confirmed 15 days ago
B
Retailer 22
-
$2,173 NZD
$1,222 USD
View
Most Expensive
Brilliant Earth
10800488A · Oct 15
$3,324 NZD
$1,870 USD
View
Price last confirmed 18 days ago
22 more retailers have this diamond
Prices start from $371 NZDSave up to $1,801 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
1.09ct Radiant
$371 NZD