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Radiant|Lab Grown|IGI

1.55ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG838644800

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

Certificate IGI LG838644800

Diamond specifications and retailer prices

From $279 AUD
As of November 4, 2026
Save $1,140 AUD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,604 AUD at MOH London · As of October 21, 2026
View at MOH London

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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG838644800 or 838644800. Listed at 13 retailers as of November 4, 2026, with a 409% 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

1.55
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.6°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838644800
Dimensions7.97 × 5.67 × 3.86 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.97 mm5.67 mm1.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838644800
Side View
Table 65.0%Crown 46.6°Girdle: MED-STKPavilion 34.9°Culet: NoneDepth 68.1%

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 4
Current: $1,604 AUD|Low: $267 AUD|High: $1,635 AUD|Avg: $990 AUD|-1.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 9$279 AUD
Retailer 12$323 AUD
Retailer 6$401 AUD
Retailer 3$579 AUD
Retailer 13$796 AUD
Retailer 4$819 AUD
Retailer 10$1,111 AUD
Retailer 11$1,114 AUD
Retailer 8$1,193 AUD
Retailer 7$1,273 AUD
Retailer 5$1,394 AUD
Retailer 2$1,419 AUD
MOH London$1,604 AUD

32 data points across 13 retailers

13 retailers$279 AUD to $1,419 AUD

A
Cheapest Retailer
-
$279 AUD
A
Retailer 2
-
$323 AUD
View
A
Retailer 3
-
$401 AUD
View
A
Retailer 4
-
$579 AUD
View
A
Retailer 5
-
$796 AUD
View
A
Retailer 6
-
$819 AUD
View
B+
Retailer 7
-
$1,111 AUD
View
B+
Retailer 8
-
$1,114 AUD
View
B+
Retailer 9
-
$1,193 AUD
View
B+
Retailer 10
-
$1,273 AUD
View
Retailer 11
-
$1,394 AUD
View
Price last confirmed 26 days ago
B+
Retailer 12
-
$1,419 AUD
View
Most Expensive
MOH London
LG838644800 · Oct 21
$1,604 AUD
£884 GBP
View
Price last confirmed 15 days ago
12 more retailers have this diamond
Prices start from $279 AUDSave up to $1,140 AUD

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
$279 AUD