CaratHunter
Plans
Round|Lab Grown|IGI

1.00ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG487174470

Shape and cutting style on the report: Round brilliant

Certificate IGI LG487174470

Diamond specifications and retailer prices

From $726 AUD
$510 USD
As of October 31, 2026
Save $1,133 AUD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,814 AUD at Friendly Diamonds · As of October 30, 2026
View at Friendly Diamonds

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG487174470 or 487174470. Listed at 12 retailers as of October 30, 2026, with a 156% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.9°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487174470
Dimensions6.40 × 6.36 × 3.97 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
6.40 mm6.36 mm1.00 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG487174470
Side View
Table 60.5%Crown 33.9°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,814 AUD|Low: $726 AUD|High: $4,542 AUD|Avg: $1,750 AUD
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 5$726 AUD
Retailer 4$985 AUD
Retailer 8$1,103 AUD
Retailer 6$1,143 AUD
Retailer 9$1,395 AUD
Retailer 10$1,656 AUD
Retailer 2$1,824 AUD
Retailer 7$1,859 AUD
Friendly Diamonds$2,814 AUD
Retailer 3$4,511 AUD

39 data points across 10 retailers

12 retailers$726 AUD to $1,859 AUD

B+
Cheapest Retailer
-
$726 AUD
$510 USD
B
Retailer 2
-
$985 AUD
$692 USD
View
B
Retailer 3
-
$1,072 AUD
$753 USD
View
B
Retailer 4
-
$1,103 AUD
$775 USD
View
Final sale: no returns
Retailer 5
-
$1,143 AUD
$803 USD
View
Price last confirmed 16 days ago
B
Retailer 6
-
$1,143 AUD
$803 USD
View
B
Retailer 7
-
$1,395 AUD
$980 USD
View
B
Retailer 8
-
$1,824 AUD
£1,009 GBP
View
B
Retailer 9
-
$1,859 AUD
$1,306 USD
View
Most Expensive
Friendly Diamonds
1595461 · Oct 30
$2,814 AUD
$1,977 USD
View
Price under review
9 more retailers have this diamond
Prices start from $726 AUDSave up to $1,133 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.

B+
1.00ct Round
$726 AUD