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Radiant|Lab Grown|IGI

1.75ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG649407662

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

Certificate IGI LG649407662

Diamond specifications and retailer prices

From $406 NZD
$228 USD
As of October 27, 2026
Save $1,878 NZD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,383 NZD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.75ct lab-grown radiant diamond

This 1.75ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG649407662 or 649407662. Listed at 22 retailers as of October 27, 2026, with a 463% 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

1.75
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649407662
Dimensions8.73 × 5.83 × 3.96 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.73 mm5.83 mm1.75 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649407662
Side View
Table 65.0%Crown 43°Girdle: MediumPavilion 35.2°Culet: NoneDepth 67.9%

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 27
Current: $3,383 NZD|Low: $406 NZD|High: $3,775 NZD|Avg: $1,302 NZD|-5.0%
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
Retailer 20
Retailer 21
October 29, 2026
Retailer 4$406 NZD
Retailer 10$454 NZD
Retailer 6$470 NZD
Retailer 18$504 NZD
Retailer 21$504 NZD
Retailer 15$591 NZD
Retailer 12$853 NZD
Retailer 16$864 NZD
Retailer 19$927 NZD
Retailer 2$937 NZD
Retailer 7$1,104 NZD
Retailer 9$1,170 NZD
Retailer 17$1,175 NZD
Retailer 20$1,617 NZD
Retailer 3$1,624 NZD
Retailer 11$1,711 NZD
Retailer 13$2,028 NZD
Retailer 8$2,048 NZD
Retailer 5$2,261 NZD
Retailer 14$2,284 NZD
Brilliant Earth$3,383 NZD

33 data points across 21 retailers

22 retailers$406 NZD to $2,284 NZD

A
Cheapest Retailer
-
$406 NZD
$228 USD
A
Retailer 2
-
$454 NZD
$255 USD
View
Final sale: no returns
A
Retailer 3
-
$470 NZD
$264 USD
View
A
Retailer 4
-
$504 NZD
$283 USD
View
A
Retailer 5
-
$504 NZD
$283 USD
View
A
Retailer 6
-
$591 NZD
£262 GBP
View
B+
Retailer 7
-
$853 NZD
$479 USD
View
A
Retailer 8
-
$864 NZD
ZAR 7,843 ZAR
View
A
Retailer 9
-
$927 NZD
€496 EUR
View
A
Retailer 10
-
$937 NZD
£414 GBP
View
A
Retailer 11
-
$1,104 NZD
$620 USD
View
A
Retailer 12
-
$1,170 NZD
$657 USD
View
A
Retailer 13
-
$1,175 NZD
A$1,015 AUD
View
B+
Retailer 14
-
$1,617 NZD
$908 USD
View
B+
Retailer 15
-
$1,624 NZD
$912 USD
View
B+
Retailer 16
-
$1,711 NZD
$961 USD
View
B+
Retailer 17
-
$1,836 NZD
£812 GBP
View
B+
Retailer 18
-
$2,028 NZD
£897 GBP
View
B+
Retailer 19
-
$2,048 NZD
$1,150 USD
View
B
Retailer 20
-
$2,261 NZD
$1,270 USD
View
Price last confirmed 8 days ago
B
Retailer 21
-
$2,284 NZD
$1,283 USD
View
Most Expensive
B
Brilliant Earth
11509754A · Oct 22
$3,383 NZD
$1,900 USD
View
Price last confirmed 7 days ago
21 more retailers have this diamond
Prices start from $406 NZDSave up to $1,878 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
1.75ct Radiant
$406 NZD