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Round|Lab Grown|IGI

1.63ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG555273694

Shape and cutting style on the report: Round brilliant

Certificate IGI LG555273694

Diamond specifications and retailer prices

From $565 AUD
$397 USD
As of October 29, 2026
Save $1,742 AUD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,755 AUD at MOH London · As of October 19, 2026
View at MOH London

About this 1.63ct lab-grown round diamond

This 1.63ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG555273694 or 555273694. Listed at 14 retailers as of October 29, 2026, with a 308% 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

1.63
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555273694
Dimensions7.62 × 7.56 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.62 mm7.56 mm1.63 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555273694
Side View
Table 59.5%Crown 32.9°GirdlePavilion 41.1°Culet: NoneDepth 60.5%

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: $2,755 AUD|Low: $565 AUD|High: $2,775 AUD|Avg: $1,367 AUD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 7$565 AUD
Retailer 11$632 AUD
Retailer 8$702 AUD
Retailer 5$911 AUD
Retailer 10$1,055 AUD
Retailer 9$1,113 AUD
Retailer 12$1,142 AUD
Retailer 2$1,206 AUD
Retailer 4$1,469 AUD
Retailer 6$1,967 AUD
Retailer 3$2,307 AUD
MOH London$2,755 AUD

21 data points across 12 retailers

14 retailers$565 AUD to $2,307 AUD

A
Cheapest Retailer
-
$565 AUD
$397 USD
A
Retailer 2
-
$632 AUD
$444 USD
View
Final sale: no returns
A
Retailer 3
-
$634 AUD
$445 USD
View
A
Retailer 4
-
$702 AUD
$493 USD
View
A
Retailer 5
-
$702 AUD
$493 USD
View
A
Retailer 6
-
$911 AUD
$640 USD
View
B+
Retailer 7
-
$1,055 AUD
$741 USD
View
B+
Retailer 8
-
$1,113 AUD
$782 USD
View
B+
Retailer 9
-
$1,142 AUD
$802 USD
View
B+
Retailer 10
-
$1,206 AUD
ZAR 13,682 ZAR
View
B
Retailer 11
-
$1,967 AUD
$1,382 USD
View
B
Retailer 12
-
$2,255 AUD
$1,584 USD
View
B
Retailer 13
-
$2,307 AUD
$1,620 USD
View
Most Expensive
MOH London
LG555273694 · Oct 19
$2,755 AUD
£1,524 GBP
View
Price last confirmed 12 days ago
13 more retailers have this diamond
Prices start from $565 AUDSave up to $1,742 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
1.63ct Round
$565 AUD