Radiant|Lab Grown|IGI

1.55ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG838642599

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

Certificate IGI LG838642599

Diamond specifications and retailer prices

From $250 USD
As of October 27, 2026
Save $1,638 USD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,888 USD at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

About this 1.55ct lab-grown radiant diamond

This 1.55ct 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 LG838642599 or 838642599. Listed at 23 retailers as of October 27, 2026, with prices from $250 to $1,888, a $1,638 spread on the same certified stone. Helzberg Diamonds lists it at $1,888. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838642599
Dimensions5.70 × 7.62 × 3.97 mm
L/W Ratio1.34
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.70 mm7.62 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838642599
Side View
Table 68.0%Crown 43.8°Girdle: MED-STKPavilion 31.4°Culet: NoneDepth 69.6%

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 27
Current: $1,888 USD|Low: $250 USD|High: $1,888 USD|Avg: $746 USD
Helzberg Diamonds
Retailer 2
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Retailer 23
October 29, 2026
Retailer 22$250 USD
Retailer 12$279 USD
Retailer 20$290 USD
Retailer 3$310 USD
Retailer 5$310 USD
Retailer 7$346 USD
Retailer 21$364 USD
Retailer 14$418 USD
Retailer 17$532 USD
Retailer 9$543 USD
Retailer 19$554 USD
Retailer 2$589 USD
Retailer 11$636 USD
Retailer 18$722 USD
Retailer 4$951 USD
Retailer 16$954 USD
Retailer 23$995 USD
Retailer 15$1,018 USD
Retailer 8$1,047 USD
Retailer 10$1,219 USD
Retailer 13$1,247 USD
Retailer 6$1,352 USD
Helzberg Diamonds$1,888 USD

23 data points across 23 retailers

23 retailers$250 USD to $1,888 USD

A
Cheapest Retailer
-
$250 USD
A
Retailer 2
-
$279 USD
View
Final sale: no returns
A
Retailer 3
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$290 USD
View
A
Retailer 4
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$310 USD
View
A
Retailer 5
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$310 USD
View
A
Retailer 6
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$346 USD
HK$2,700 HKD
View
A
Retailer 7
-
$364 USD
£286 GBP
View
Price last confirmed 12 days ago
B+
Retailer 8
-
$418 USD
View
A
Retailer 9
-
$532 USD
ZAR 8,594 ZAR
View
A
Retailer 10
-
$543 USD
View
A
Retailer 11
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$554 USD
€528 EUR
View
A
Retailer 12
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$589 USD
£464 GBP
View
B+
Retailer 13
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$636 USD
View
B+
Retailer 14
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$722 USD
A$1,110 AUD
View
B+
Retailer 15
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$951 USD
View
B+
Retailer 16
-
$954 USD
View
B+
Retailer 17
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$995 USD
View
B
Retailer 18
-
$1,018 USD
SGD 1,375 SGD
View
B
Retailer 19
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$1,047 USD
View
B
Retailer 20
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$1,219 USD
View
B
Retailer 21
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$1,247 USD
£982 GBP
View
B
Retailer 22
-
$1,352 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJOMKILPP · Oct 29
$1,888 USD
View
22 more retailers have this diamond
Prices start from $250 USDSave up to $1,638 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
1.55ct Radiant
$250 USD