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Round|Lab Grown|IGI

1.55ct F VVS1 Round Lab Grown Diamond

EX • F/VVS1 • IGI LG770636607

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770636607

Diamond specifications and retailer prices

From $380 AUD
$266 USD
As of November 1, 2026
Save $2,203 AUD (85%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,583 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG770636607 or 770636607. Listed at 25 retailers as of November 1, 2026, with prices from $380 to $2,583, a $2,203 spread on the same certified stone. Brilliant Earth lists it at $2,583. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770636607
Dimensions7.37 × 7.44 × 4.63 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
7.37 mm7.44 mm1.55 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770636607
Side View
Table 55.0%Crown 35.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.6%

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: Nov 1
Current: $2,583 AUD|Low: $380 AUD|High: $2,668 AUD|Avg: $1,088 AUD|-3.2%
Brilliant Earth
Retailer 2
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Retailer 22
November 2, 2026
Retailer 10$380 AUD
Retailer 8$424 AUD
Retailer 5$439 AUD
Retailer 7$469 AUD
Retailer 22$469 AUD
Retailer 9$631 AUD
Retailer 18$635 AUD
Retailer 13$719 AUD
Retailer 2$769 AUD
Retailer 17$810 AUD
Retailer 6$846 AUD
Retailer 16$890 AUD
Retailer 11$893 AUD
Retailer 20$898 AUD
Retailer 21$1,093 AUD
Retailer 19$1,123 AUD
Retailer 4$1,510 AUD
Retailer 14$1,510 AUD
Retailer 12$1,583 AUD
Retailer 15$1,806 AUD
Retailer 3$1,885 AUD
Brilliant Earth$2,583 AUD

31 data points across 22 retailers

25 retailers$380 AUD to $2,583 AUD

A
Cheapest Retailer
-
$380 AUD
$266 USD
A
Retailer 2
-
$424 AUD
$297 USD
View
Final sale: no returns
A
Retailer 3
-
$439 AUD
$308 USD
View
Retailer 4
-
$469 AUD
$329 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$469 AUD
$329 USD
View
A
Retailer 6
-
$530 AUD
HK$2,900 HKD
View
B+
Retailer 7
-
$631 AUD
$442 USD
View
A
Retailer 8
-
$635 AUD
$445 USD
View
A
Retailer 9
-
$719 AUD
£397 GBP
View
A
Retailer 10
-
$769 AUD
€513 EUR
View
A
Retailer 11
-
$810 AUD
ZAR 9,171 ZAR
View
B+
Retailer 12
-
$846 AUD
$593 USD
View
B+
Retailer 13
-
$890 AUD
£491 GBP
View
B+
Retailer 14
-
$893 AUD
$626 USD
View
B+
Retailer 15
-
$898 AUD
View
B+
Retailer 16
-
$1,093 AUD
View
B+
Retailer 17
-
$1,123 AUD
$787 USD
View
B+
Retailer 18
-
$1,194 AUD
$837 USD
View
B
Retailer 19
-
$1,510 AUD
$1,058 USD
View
B
Retailer 20
-
$1,510 AUD
SGD 1,430 SGD
View
B
Retailer 21
-
$1,583 AUD
$1,109 USD
View
B
Retailer 22
-
$1,722 AUD
$1,207 USD
View
B
Retailer 23
-
$1,806 AUD
$1,266 USD
View
Retailer 24
-
$1,885 AUD
£1,040 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
18567110A · Nov 2
$2,583 AUD
$1,810 USD
View
24 more retailers have this diamond
Prices start from $380 AUDSave up to $2,203 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
1.55ct Round
$380 AUD