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 $248 USD
As of October 28, 2026
Save $875 USD (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,670 USD 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,670 USD|Low: $246 USD|High: $1,750 USD|Avg: $708 USD|-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$248 USD
Retailer 8$273 USD
Retailer 14$372 USD
Retailer 12$461 USD
Retailer 10$474 USD
Retailer 2$512 USD
Retailer 3$607 USD
Retailer 11$644 USD
Retailer 7$826 USD
Retailer 13$890 USD
Retailer 4$939 USD
Retailer 15$1,008 USD
Retailer 16$1,045 USD
Retailer 9$1,111 USD
Retailer 6$1,117 USD
Brilliant Earth$1,670 USD

40 data points across 16 retailers

22 retailers$248 USD to $1,123 USD

A
Retailer 1
-
$222 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$248 USD
View
Final sale: no returns
A
Retailer 3
-
$255 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
$269 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
$276 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$276 USD
View
Price last confirmed 11 days ago
B+
Retailer 7
-
$372 USD
View
A
Retailer 8
-
$461 USD
€439 EUR
View
A
Retailer 9
-
$474 USD
ZAR 7,656 ZAR
View
A
Retailer 10
-
$512 USD
£403 GBP
View
A
Retailer 11
-
$556 USD
View
B+
Retailer 12
-
$607 USD
View
A
Retailer 13
-
$644 USD
A$991 AUD
View
B+
Retailer 14
-
$837 USD
View
B
Retailer 15
-
$890 USD
View
B+
Retailer 16
-
$939 USD
View
B+
Retailer 17
-
$1,008 USD
View
B
Retailer 18
-
$1,045 USD
View
Price last confirmed 10 days ago
B
Retailer 19
-
$1,111 USD
£875 GBP
View
B
Retailer 20
-
$1,117 USD
SGD 1,509 SGD
View
Price last confirmed 16 days ago
B
Retailer 21
-
$1,123 USD
View
Most Expensive
B
Brilliant Earth
20685022A · Oct 21
$1,670 USD
View
Price last confirmed 8 days ago
21 more retailers have this diamond
Prices start from $248 USDSave up to $875 USD

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
$248 USD