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Round|Lab Grown|IGI

1.00ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG778645742

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778645742

Diamond specifications and retailer prices

From $237 AUD
$167 USD
As of October 29, 2026
Save $1,310 AUD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,546 AUD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778645742 or 778645742. Listed at 23 retailers as of October 28, 2026, with a 552% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778645742
Dimensions6.34 × 6.39 × 3.91 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
6.34 mm6.39 mm1.00 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778645742
Side View
Table 60.0%Crown 34.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.5%

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: $502 AUD|Low: $228 AUD|High: $1,392 AUD|Avg: $604 AUD|+0.1%
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 15$237 AUD
Retailer 13$264 AUD
Retailer 3$294 AUD
Retailer 2$398 AUD
Retailer 6$408 AUD
Retailer 1$502 AUD
Retailer 11$505 AUD
Retailer 10$518 AUD
Retailer 9$551 AUD
Retailer 5$637 AUD
Retailer 12$717 AUD
Retailer 14$774 AUD
Retailer 7$946 AUD
Retailer 4$965 AUD
Retailer 8$1,383 AUD

41 data points across 15 retailers

23 retailers$237 AUD to $1,547 AUD

A
Cheapest Retailer
-
$237 AUD
$167 USD
A
Retailer 2
-
$264 AUD
$186 USD
View
Final sale: no returns
A
Retailer 3
-
$276 AUD
$194 USD
View
A
Retailer 4
-
$294 AUD
$207 USD
View
A
Retailer 5
-
$294 AUD
$207 USD
View
A
Retailer 6
-
$328 AUD
HK$1,800 HKD
View
Price last confirmed 55 days ago
B+
Retailer 7
-
$398 AUD
$280 USD
View
A
Retailer 8
-
$408 AUD
$287 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$502 AUD
£278 GBP
View
B+
Retailer 10
-
$505 AUD
ZAR 5,741 ZAR
View
B+
Retailer 11
-
$518 AUD
£287 GBP
View
B+
Retailer 12
-
$551 AUD
€369 EUR
View
B+
Retailer 13
-
$576 AUD
$405 USD
View
Price last confirmed 87 days ago
B+
Retailer 14
-
$637 AUD
$448 USD
View
B+
Retailer 15
-
$717 AUD
View
B
Retailer 16
-
$774 AUD
$544 USD
View
B
Retailer 17
-
$806 AUD
SGD 766 SGD
View
B
Retailer 18
-
$946 AUD
$665 USD
View
B
Retailer 19
-
$965 AUD
$679 USD
View
B
Retailer 20
-
$1,024 AUD
$720 USD
View
B
Retailer 21
-
$1,383 AUD
£766 GBP
View
B
Retailer 22
-
$1,547 AUD
$1,088 USD
View
Most Expensive
B
Queensmith
LG778645742 · Oct 27
$2,546 AUD
£1,410 GBP
View
Price under review
22 more retailers have this diamond
Prices start from $237 AUDSave up to $1,310 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
1.00ct Round
$237 AUD