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 $180 USD
As of October 29, 2026
Save $1,446 USD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,626 USD 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 $180 to $1,626, a $1,446 spread on the same certified stone. Queensmith lists it at $1,626. 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
Color
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

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: $415 USD|Low: $173 USD|High: $1,059 USD|Avg: $429 USD|+6.8%
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 29, 2026
Retailer 14$180 USD
Retailer 4$202 USD
Retailer 6$209 USD
Retailer 2$224 USD
Retailer 7$224 USD
Retailer 15$302 USD
Retailer 8$400 USD
Retailer 9$404 USD
Retailer 1$415 USD
Retailer 3$462 USD
Retailer 10$558 USD
Retailer 13$568 USD
Retailer 5$719 USD
Retailer 12$900 USD
Retailer 11$1,048 USD

44 data points across 15 retailers

23 retailers$180 USD to $1,626 USD

A
Cheapest Retailer
-
$180 USD
A
Retailer 2
-
$202 USD
View
Final sale: no returns
A
Retailer 3
-
$209 USD
View
A
Retailer 4
-
$224 USD
View
A
Retailer 5
-
$224 USD
View
A
Retailer 6
-
$256 USD
HK$2,000 HKD
View
A
Retailer 7
-
$302 USD
View
A
Retailer 8
-
$346 USD
View
A
Retailer 9
-
$400 USD
£315 GBP
View
A
Retailer 10
-
$404 USD
ZAR 6,534 ZAR
View
A
Retailer 11
-
$415 USD
€395 EUR
View
B+
Retailer 12
-
$462 USD
View
B+
Retailer 13
-
$558 USD
A$859 AUD
View
B+
Retailer 14
-
$568 USD
View
B+
Retailer 15
-
$611 USD
SGD 825 SGD
View
B
Retailer 16
-
$679 USD
View
Price last confirmed 50 days ago
B
Retailer 17
-
$719 USD
View
B
Retailer 18
-
$745 USD
View
B
Retailer 19
-
$774 USD
View
B
Retailer 20
-
$900 USD
View
Price last confirmed 12 days ago
B
Retailer 21
-
$1,048 USD
£825 GBP
View
B
Retailer 22
-
$1,131 USD
View
Most Expensive
B
Queensmith
LG781618377 · Oct 27
$1,626 USD
£1,280 GBP
View
22 more retailers have this diamond
Prices start from $180 USDSave up to $1,446 USD

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
$180 USD