CaratHunter
Plans
Round|Lab Grown|IGI

3.51ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG622474286

Shape and cutting style on the report: Round brilliant

Certificate IGI LG622474286

Diamond specifications and retailer prices

From $1,053 AUD
$740 USD
As of October 31, 2026
Save $2,765 AUD (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,818 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 3.51ct lab-grown round diamond

This 3.51ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG622474286 or 622474286. Listed at 10 retailers as of October 29, 2026, with prices from $1,053 to $3,818, a $2,765 spread on the same certified stone. MOH London lists it at $3,818. 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

3.51
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG622474286
Dimensions9.80 × 9.76 × 5.83 mm
L/W Ratio1.00
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
9.80 mm9.76 mm3.51 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG622474286
Side View
Table 62.0%Crown 35.4°Girdle: MediumPavilion 40.3°Culet: NoneDepth 59.7%

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 31
Current: $3,818 AUD|Low: $508 AUD|High: $3,844 AUD|Avg: $1,965 AUD|-0.7%
MOH London
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 31, 2026
Retailer 3$508 AUD
Retailer 7$906 AUD
Retailer 10$910 AUD
Retailer 12$1,053 AUD
Retailer 2$1,393 AUD
Retailer 15$1,411 AUD
Retailer 9$1,422 AUD
Retailer 5$1,471 AUD
Retailer 11$2,348 AUD
Retailer 8$2,393 AUD
Retailer 4$2,738 AUD
Retailer 14$2,960 AUD
Retailer 6$3,093 AUD
Retailer 13$3,350 AUD
MOH London$3,818 AUD

23 data points across 15 retailers

10 retailers$1,053 AUD to $3,818 AUD

Retailer 1
-
$910 AUD
$639 USD
Price last confirmed 15 days ago
A
Retailer 2
-
$1,053 AUD
$740 USD
View
A
Retailer 3
-
$1,393 AUD
£771 GBP
View
B+
Retailer 4
-
$1,411 AUD
$991 USD
View
A
Retailer 5
-
$1,422 AUD
£787 GBP
View
B
Retailer 6
-
$2,348 AUD
$1,649 USD
View
B
Retailer 7
-
$2,393 AUD
$1,681 USD
View
B
Retailer 8
-
$2,960 AUD
$2,079 USD
View
B
Retailer 9
-
$3,350 AUD
$2,353 USD
View
Most Expensive
B
MOH London
LG622474286 · Oct 29
$3,818 AUD
£2,112 GBP
View
9 more retailers have this diamond
Prices start from $1,053 AUDSave up to $2,765 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
3.51ct Round
$1,053 AUD