Round|Lab Grown|IGI

0.99ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG781618380

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781618380

Diamond specifications and retailer prices

From $256 AUD
$180 USD
As of October 29, 2026
Save $2,055 AUD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,311 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG781618380 or 781618380. Listed at 24 retailers as of October 27, 2026, with prices from $256 to $2,311, a $2,055 spread on the same certified stone. Queensmith lists it at $2,311. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781618380
Dimensions6.48 × 6.51 × 3.85 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.48 mm6.51 mm0.99 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781618380
Side View
Table 60.0%Crown 35.4°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 59.3%

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 29
Current: $561 AUD|Low: $246 AUD|High: $1,506 AUD|Avg: $666 AUD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 12$256 AUD
Retailer 3$319 AUD
Retailer 2$429 AUD
Retailer 1$561 AUD
Retailer 7$569 AUD
Retailer 8$575 AUD
Retailer 6$590 AUD
Retailer 4$657 AUD
Retailer 9$794 AUD
Retailer 11$808 AUD
Retailer 10$1,280 AUD
Retailer 5$1,495 AUD

37 data points across 12 retailers

24 retailers$256 AUD to $2,311 AUD

A
Cheapest Retailer
-
$256 AUD
$180 USD
A
Retailer 2
-
$287 AUD
$202 USD
View
Final sale: no returns
A
Retailer 3
-
$297 AUD
$209 USD
View
A
Retailer 4
-
$319 AUD
$224 USD
View
A
Retailer 5
-
$319 AUD
$224 USD
View
A
Retailer 6
-
$364 AUD
HK$2,000 HKD
View
A
Retailer 7
-
$429 AUD
$302 USD
View
A
Retailer 8
-
$492 AUD
$346 USD
View
A
Retailer 9
-
$561 AUD
£311 GBP
View
A
Retailer 10
-
$569 AUD
£315 GBP
View
A
Retailer 11
-
$575 AUD
ZAR 6,534 ZAR
View
A
Retailer 12
-
$590 AUD
€395 EUR
View
B+
Retailer 13
-
$657 AUD
$462 USD
View
B+
Retailer 14
-
$794 AUD
View
B+
Retailer 15
-
$808 AUD
$568 USD
View
B+
Retailer 16
-
$868 AUD
SGD 825 SGD
View
B
Retailer 17
-
$965 AUD
$679 USD
View
Price last confirmed 50 days ago
B
Retailer 18
-
$1,022 AUD
$719 USD
View
B
Retailer 19
-
$1,059 AUD
$745 USD
View
B
Retailer 20
-
$1,100 AUD
$774 USD
View
B
Retailer 21
-
$1,280 AUD
$900 USD
View
Price last confirmed 12 days ago
B
Retailer 22
-
$1,495 AUD
£828 GBP
View
B
Retailer 23
-
$1,609 AUD
$1,131 USD
View
Most Expensive
B
Queensmith
LG781618380 · Oct 27
$2,311 AUD
£1,280 GBP
View
23 more retailers have this diamond
Prices start from $256 AUDSave up to $2,055 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
$256 AUD