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Radiant|Lab Grown|IGI

1.59ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG818694629

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

Certificate IGI LG818694629

Diamond specifications and retailer prices

From $442 NZD
$248 USD
As of October 28, 2026
Save $1,558 NZD (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,973 NZD at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 1.59ct lab-grown radiant diamond

This 1.59ct 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 LG818694629 or 818694629. Listed at 22 retailers as of October 28, 2026, with a 353% 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

1.59
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818694629
Dimensions8.37 × 5.86 × 3.88 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.37 mm5.86 mm1.59 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818694629
Side View
Table 63.0%Crown 43.8°Girdle: MediumPavilion 38.2°Culet: NoneDepth 66.2%

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 28
Current: $2,973 NZD|Low: $438 NZD|High: $3,116 NZD|Avg: $1,260 NZD|-4.6%
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
October 29, 2026
Retailer 5$442 NZD
Retailer 8$486 NZD
Retailer 14$662 NZD
Retailer 12$821 NZD
Retailer 10$844 NZD
Retailer 2$912 NZD
Retailer 3$1,081 NZD
Retailer 11$1,147 NZD
Retailer 7$1,471 NZD
Retailer 13$1,585 NZD
Retailer 4$1,673 NZD
Retailer 15$1,795 NZD
Retailer 16$1,861 NZD
Retailer 9$1,979 NZD
Retailer 6$1,988 NZD
Brilliant Earth$2,973 NZD

40 data points across 16 retailers

22 retailers$442 NZD to $2,000 NZD

Retailer 1
-
$395 NZD
$222 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$442 NZD
$248 USD
View
Final sale: no returns
Retailer 3
-
$454 NZD
$255 USD
View
Price last confirmed 32 days ago
Retailer 4
-
$479 NZD
$269 USD
View
Price last confirmed 31 days ago
Retailer 5
-
$491 NZD
$276 USD
View
Price last confirmed 13 days ago
Retailer 6
-
$491 NZD
$276 USD
View
Price last confirmed 11 days ago
B+
Retailer 7
-
$662 NZD
$372 USD
View
A
Retailer 8
-
$821 NZD
€439 EUR
View
A
Retailer 9
-
$844 NZD
ZAR 7,656 ZAR
View
A
Retailer 10
-
$912 NZD
£403 GBP
View
A
Retailer 11
-
$990 NZD
$556 USD
View
B+
Retailer 12
-
$1,081 NZD
$607 USD
View
A
Retailer 13
-
$1,147 NZD
A$991 AUD
View
B+
Retailer 14
-
$1,490 NZD
$837 USD
View
B
Retailer 15
-
$1,585 NZD
$890 USD
View
B+
Retailer 16
-
$1,673 NZD
$939 USD
View
B+
Retailer 17
-
$1,795 NZD
$1,008 USD
View
Retailer 18
-
$1,861 NZD
$1,045 USD
View
Price last confirmed 11 days ago
B
Retailer 19
-
$1,979 NZD
£875 GBP
View
Retailer 20
-
$1,988 NZD
SGD 1,509 SGD
View
Price last confirmed 16 days ago
B
Retailer 21
-
$2,000 NZD
$1,123 USD
View
Most Expensive
Brilliant Earth
20685022A · Oct 21
$2,973 NZD
$1,670 USD
View
Price last confirmed 8 days ago
21 more retailers have this diamond
Prices start from $442 NZDSave up to $1,558 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
1.59ct Radiant
$442 NZD