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Radiant|Lab Grown|IGI

0.99ct E VS1 Radiant Lab Grown Diamond

VG • E/VS1 • IGI LG615377011

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

Certificate IGI LG615377011

Diamond specifications and retailer prices

From $255 AUD
$179 USD
As of October 27, 2026
Save $1,394 AUD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,649 AUD at Flawless Fine Jewelry · As of October 29, 2026
View at Flawless Fine Jewelry

About this 0.99ct lab-grown radiant diamond

This 0.99ct lab-grown radiant sits in the just-under-one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG615377011 or 615377011. Listed at 16 retailers as of October 27, 2026, with prices from $255 to $1,649, a $1,394 spread on the same certified stone. Flawless Fine Jewelry lists it at $1,649. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.99
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.2°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615377011
Dimensions6.45 × 5.05 × 3.54 mm
L/W Ratio1.28
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.45 mm5.05 mm0.99 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG615377011
Side View
Table 64.0%Crown 44.2°Girdle: MED-STKPavilion 34.6°Culet: NoneDepth 70.1%

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: Oct 27
Current: $567 AUD|Low: $245 AUD|High: $1,495 AUD|Avg: $610 AUD|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 11$255 AUD
Retailer 2$285 AUD
Retailer 3$316 AUD
Retailer 12$316 AUD
Retailer 5$408 AUD
Retailer 10$559 AUD
Retailer 1$567 AUD
Retailer 6$571 AUD
Retailer 4$656 AUD
Retailer 9$1,073 AUD
Retailer 8$1,093 AUD
Retailer 7$1,479 AUD

44 data points across 12 retailers

16 retailers$255 AUD to $1,649 AUD

A
Cheapest Retailer
-
$255 AUD
$179 USD
A
Retailer 2
-
$285 AUD
$200 USD
View
Final sale: no returns
A
Retailer 3
-
$296 AUD
$208 USD
View
A
Retailer 4
-
$316 AUD
$222 USD
View
A
Retailer 5
-
$316 AUD
$222 USD
View
A
Retailer 6
-
$408 AUD
£226 GBP
View
B+
Retailer 7
-
$501 AUD
$352 USD
View
B+
Retailer 8
-
$559 AUD
$393 USD
View
B+
Retailer 9
-
$567 AUD
£313 GBP
View
B+
Retailer 10
-
$571 AUD
ZAR 6,480 ZAR
View
B+
Retailer 11
-
$656 AUD
$461 USD
View
B
Retailer 12
-
$1,015 AUD
$713 USD
View
B
Retailer 13
-
$1,073 AUD
$754 USD
View
B
Retailer 14
-
$1,093 AUD
$768 USD
View
B
Retailer 15
-
$1,479 AUD
£818 GBP
View
Most Expensive
B
Flawless Fine Jewelry
CFEC0562C · Oct 29
$1,649 AUD
£912 GBP
View
15 more retailers have this diamond
Prices start from $255 AUDSave up to $1,394 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
0.99ct Radiant
$255 AUD