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Round|Lab Grown|IGI

0.99ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG818644400

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644400

Diamond specifications and retailer prices

From $208 AUD
$146 USD
As of October 29, 2026
Save $1,980 AUD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,187 AUD at Queensmith · As of October 27, 2026
View at Queensmith

About this 0.99ct lab-grown round diamond

This 0.99ct lab-grown round sits in the just-under-one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818644400 or 818644400. Listed at 22 retailers as of October 27, 2026, with prices from $208 to $2,187, a $1,980 spread on the same certified stone. Queensmith lists it at $2,187. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644400
Dimensions6.49 × 6.44 × 3.87 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.49 mm6.44 mm0.99 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644400
Side View
Table 57.0%Crown 34°Girdle: MediumPavilion 40.3°Culet: NoneDepth 59.9%

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 29
Current: $444 AUD|Low: $199 AUD|High: $1,220 AUD|Avg: $543 AUD|+6.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 13$208 AUD
Retailer 11$231 AUD
Retailer 3$258 AUD
Retailer 2$349 AUD
Retailer 1$444 AUD
Retailer 8$466 AUD
Retailer 7$490 AUD
Retailer 6$527 AUD
Retailer 5$591 AUD
Retailer 9$642 AUD
Retailer 12$658 AUD
Retailer 4$821 AUD
Retailer 10$1,208 AUD

38 data points across 13 retailers

22 retailers$208 AUD to $2,187 AUD

A
Cheapest Retailer
-
$208 AUD
$146 USD
A
Retailer 2
-
$231 AUD
$162 USD
View
Final sale: no returns
A
Retailer 3
-
$241 AUD
$169 USD
View
A
Retailer 4
-
$258 AUD
$181 USD
View
A
Retailer 5
-
$258 AUD
$181 USD
View
A
Retailer 6
-
$292 AUD
HK$1,600 HKD
View
B+
Retailer 7
-
$349 AUD
$245 USD
View
A
Retailer 8
-
$428 AUD
$301 USD
View
A
Retailer 9
-
$444 AUD
£246 GBP
View
A
Retailer 10
-
$466 AUD
ZAR 5,290 ZAR
View
A
Retailer 11
-
$490 AUD
€328 EUR
View
A
Retailer 12
-
$527 AUD
£291 GBP
View
Retailer 13
-
$591 AUD
$415 USD
View
Price last confirmed 32 days ago
B+
Retailer 14
-
$642 AUD
View
B+
Retailer 15
-
$658 AUD
$462 USD
View
B+
Retailer 16
-
$710 AUD
SGD 674 SGD
View
B+
Retailer 17
-
$821 AUD
$577 USD
View
B+
Retailer 18
-
$828 AUD
$582 USD
View
B
Retailer 19
-
$908 AUD
$638 USD
View
B
Retailer 20
-
$1,208 AUD
£668 GBP
View
B
Retailer 21
-
$1,454 AUD
$1,022 USD
View
Most Expensive
B
Queensmith
LG818644400 · Oct 27
$2,187 AUD
£1,210 GBP
View
21 more retailers have this diamond
Prices start from $208 AUDSave up to $1,980 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 Round
$208 AUD