Round|Lab Grown|IGI

0.99ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG781618377

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781618377

Diamond specifications and retailer prices

From $256 AUD
$180 USD
As of October 29, 2026
Save $2,058 AUD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,314 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 LG781618377 or 781618377. Listed at 23 retailers as of October 27, 2026, with prices from $256 to $2,314, a $2,058 spread on the same certified stone. Queensmith lists it at $2,314. 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 angle33.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781618377
Dimensions6.45 × 6.50 × 3.87 mm
L/W Ratio1.01
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
6.45 mm6.50 mm0.99 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781618377
Side View
Table 58.0%Crown 33.3°Girdle: MediumPavilion 40.4°Culet: NoneDepth 59.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $589 AUD|Low: $246 AUD|High: $1,508 AUD|Avg: $613 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
Retailer 14
Retailer 15
October 31, 2026
Retailer 14$256 AUD
Retailer 4$288 AUD
Retailer 6$298 AUD
Retailer 2$319 AUD
Retailer 7$319 AUD
Retailer 15$430 AUD
Retailer 8$573 AUD
Retailer 9$576 AUD
Retailer 1$589 AUD
Retailer 3$658 AUD
Retailer 10$795 AUD
Retailer 13$809 AUD
Retailer 5$1,024 AUD
Retailer 12$1,281 AUD
Retailer 11$1,492 AUD

44 data points across 15 retailers

23 retailers$256 AUD to $2,314 AUD

A
Cheapest Retailer
-
$256 AUD
$180 USD
A
Retailer 2
-
$288 AUD
$202 USD
View
Final sale: no returns
A
Retailer 3
-
$298 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
-
$430 AUD
$302 USD
View
A
Retailer 8
-
$493 AUD
$346 USD
View
A
Retailer 9
-
$573 AUD
£317 GBP
View
A
Retailer 10
-
$576 AUD
ZAR 6,534 ZAR
View
A
Retailer 11
-
$589 AUD
€394 EUR
View
B+
Retailer 12
-
$658 AUD
$462 USD
View
B+
Retailer 13
-
$795 AUD
View
B+
Retailer 14
-
$809 AUD
$568 USD
View
B+
Retailer 15
-
$869 AUD
SGD 825 SGD
View
Retailer 16
-
$966 AUD
$679 USD
View
Price last confirmed 51 days ago
B
Retailer 17
-
$1,024 AUD
$719 USD
View
B
Retailer 18
-
$1,061 AUD
$745 USD
View
B
Retailer 19
-
$1,101 AUD
$774 USD
View
Retailer 20
-
$1,281 AUD
$900 USD
View
Price last confirmed 14 days ago
B
Retailer 21
-
$1,492 AUD
£825 GBP
View
B
Retailer 22
-
$1,611 AUD
$1,131 USD
View
Most Expensive
B
Queensmith
LG781618377 · Oct 27
$2,314 AUD
£1,280 GBP
View
22 more retailers have this diamond
Prices start from $256 AUDSave up to $2,058 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