CaratHunter
Plans
Radiant|Lab Grown|IGI

0.99ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG612318154

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

Certificate IGI LG612318154

Diamond specifications and retailer prices

From $255 AUD
$179 USD
As of October 27, 2026
Save $1,392 AUD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,647 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 top-tier cut grade and certified by IGI LG612318154 or 612318154. Listed at 16 retailers as of October 27, 2026, with prices from $255 to $1,647, a $1,392 spread on the same certified stone. Flawless Fine Jewelry lists it at $1,647. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle44.3°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG612318154
Dimensions6.47 × 5.07 × 3.41 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
6.47 mm5.07 mm0.99 ctE / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG612318154
Side View
Table 67.0%Crown 44.3°Girdle: MED-STKPavilion 33.5°Culet: NoneDepth 67.3%

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: $408 AUD|Low: $245 AUD|High: $1,493 AUD|Avg: $610 AUD|-0.6%
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$284 AUD
Retailer 3$316 AUD
Retailer 12$316 AUD
Retailer 1$408 AUD
Retailer 10$559 AUD
Retailer 5$564 AUD
Retailer 6$570 AUD
Retailer 4$655 AUD
Retailer 9$1,072 AUD
Retailer 7$1,092 AUD
Retailer 8$1,483 AUD

44 data points across 12 retailers

16 retailers$255 AUD to $1,647 AUD

A
Cheapest Retailer
-
$255 AUD
$179 USD
A
Retailer 2
-
$284 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
A
Retailer 7
-
$501 AUD
$352 USD
View
B+
Retailer 8
-
$559 AUD
$393 USD
View
A
Retailer 9
-
$564 AUD
£313 GBP
View
A
Retailer 10
-
$570 AUD
ZAR 6,480 ZAR
View
B+
Retailer 11
-
$655 AUD
$461 USD
View
B
Retailer 12
-
$1,014 AUD
$713 USD
View
B
Retailer 13
-
$1,072 AUD
$754 USD
View
B
Retailer 14
-
$1,092 AUD
$768 USD
View
B
Retailer 15
-
$1,483 AUD
£821 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Flawless Fine Jewelry
31FC6CB3C · Oct 29
$1,647 AUD
£912 GBP
View
15 more retailers have this diamond
Prices start from $255 AUDSave up to $1,392 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