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Round|Lab Grown|IGI

1.56ct D VVS2 Round Lab Grown Diamond

ID • D/VVS2 • IGI LG778666348

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778666348

Diamond specifications and retailer prices

From $373 AUD
$262 USD
As of October 28, 2026
Save $1,480 AUD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,958 AUD at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 1.56ct lab-grown round diamond

This 1.56ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778666348 or 778666348. Listed at 24 retailers as of October 28, 2026, with a 397% 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

1.56
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778666348
Dimensions7.46 × 7.51 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.46 mm7.51 mm1.56 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778666348
Side View
Table 59.0%Crown 33.6°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.3%

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 28
Current: $2,958 AUD|Low: $373 AUD|High: $2,958 AUD|Avg: $1,012 AUD
Brilliant Earth
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
Retailer 16
Retailer 17
October 29, 2026
Retailer 5$373 AUD
Retailer 11$555 AUD
Retailer 2$624 AUD
Retailer 10$661 AUD
Retailer 13$710 AUD
Retailer 12$774 AUD
Retailer 8$778 AUD
Retailer 16$821 AUD
Retailer 3$849 AUD
Retailer 9$880 AUD
Retailer 14$963 AUD
Retailer 15$1,086 AUD
Retailer 7$1,657 AUD
Retailer 17$1,665 AUD
Retailer 4$1,681 AUD
Retailer 6$1,853 AUD
Brilliant Earth$2,958 AUD

42 data points across 17 retailers

24 retailers$373 AUD to $1,853 AUD

A
Retailer 1
-
$333 AUD
$234 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$373 AUD
$262 USD
View
Final sale: no returns
A
Retailer 3
-
$387 AUD
$272 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$414 AUD
$291 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$414 AUD
$291 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$555 AUD
$390 USD
View
A
Retailer 7
-
$624 AUD
£346 GBP
View
A
Retailer 8
-
$661 AUD
€443 EUR
View
A
Retailer 9
-
$710 AUD
ZAR 8,064 ZAR
View
A
Retailer 10
-
$774 AUD
£428 GBP
View
A
Retailer 11
-
$778 AUD
$547 USD
View
A
Retailer 12
-
$821 AUD
View
B+
Retailer 13
-
$849 AUD
$597 USD
View
B+
Retailer 14
-
$880 AUD
$619 USD
View
B+
Retailer 15
-
$963 AUD
View
B+
Retailer 16
-
$1,086 AUD
$764 USD
View
B+
Retailer 17
-
$1,328 AUD
$934 USD
View
Price last confirmed 21 days ago
B+
Retailer 18
-
$1,402 AUD
$986 USD
View
B+
Retailer 19
-
$1,657 AUD
View
Price last confirmed 21 days ago
B+
Retailer 20
-
$1,665 AUD
£922 GBP
View
B
Retailer 21
-
$1,672 AUD
$1,176 USD
View
B
Retailer 22
-
$1,681 AUD
$1,182 USD
View
B
Retailer 23
-
$1,853 AUD
$1,303 USD
View
Most Expensive
B
Brilliant Earth
18395377A · Oct 18
$2,958 AUD
$2,080 USD
View
Price last confirmed 10 days ago
23 more retailers have this diamond
Prices start from $373 AUDSave up to $1,480 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
1.56ct Round
$373 AUD