Round|Lab Grown|IGI

1.25ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG778645792

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778645792

Diamond specifications and retailer prices

From $310 AUD
$217 USD
As of November 1, 2026
Save $2,880 AUD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,189 AUD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.25ct lab-grown round diamond

This 1.25ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778645792 or 778645792. Listed at 21 retailers as of October 27, 2026, with prices from $310 to $3,189, a $2,880 spread on the same certified stone. Queensmith lists it at $3,189. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778645792
Dimensions6.90 × 6.93 × 4.23 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
6.90 mm6.93 mm1.25 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778645792
Side View
Table 59.0%Crown 34.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
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: Nov 1
Current: $704 AUD|Low: $297 AUD|High: $1,555 AUD|Avg: $755 AUD|+3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 2$310 AUD
Retailer 3$345 AUD
Retailer 13$384 AUD
Retailer 5$517 AUD
Retailer 10$608 AUD
Retailer 11$662 AUD
Retailer 9$698 AUD
Retailer 1$704 AUD
Retailer 7$938 AUD
Retailer 8$1,015 AUD
Retailer 12$1,163 AUD
Retailer 4$1,470 AUD
Retailer 6$1,537 AUD

34 data points across 13 retailers

21 retailers$310 AUD to $3,189 AUD

A
Cheapest Retailer
-
$310 AUD
$217 USD
A
Retailer 2
-
$345 AUD
$242 USD
View
Final sale: no returns
A
Retailer 3
-
$384 AUD
$269 USD
View
A
Retailer 4
-
$438 AUD
HK$2,400 HKD
View
B+
Retailer 5
-
$517 AUD
$362 USD
View
A
Retailer 6
-
$608 AUD
£336 GBP
View
A
Retailer 7
-
$662 AUD
ZAR 7,495 ZAR
View
A
Retailer 8
-
$698 AUD
€466 EUR
View
A
Retailer 9
-
$704 AUD
£388 GBP
View
B+
Retailer 10
-
$721 AUD
$505 USD
View
B+
Retailer 11
-
$732 AUD
$513 USD
View
B+
Retailer 12
-
$938 AUD
View
B+
Retailer 13
-
$1,015 AUD
$711 USD
View
Retailer 14
-
$1,163 AUD
$815 USD
View
Price last confirmed 13 days ago
B
Retailer 15
-
$1,245 AUD
SGD 1,179 SGD
View
B
Retailer 16
-
$1,308 AUD
$917 USD
View
B
Retailer 17
-
$1,316 AUD
$922 USD
View
Retailer 18
-
$1,470 AUD
$1,030 USD
View
Price last confirmed 17 days ago
B+
Retailer 19
-
$1,537 AUD
£848 GBP
View
B
Retailer 20
-
$1,779 AUD
$1,247 USD
View
Most Expensive
B
Queensmith
LG778645792 · Oct 27
$3,189 AUD
£1,760 GBP
View
20 more retailers have this diamond
Prices start from $310 AUDSave up to $2,880 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
1.25ct Round
$310 AUD