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Round|Lab Grown|IGI

1.70ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG440012219

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440012219

Diamond specifications and retailer prices

From $1,338 AUD
$940 USD
As of October 30, 2026
Save $5,241 AUD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,579 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct lab-grown round diamond

This 1.7ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440012219 or 440012219. Listed at 11 retailers as of October 29, 2026, with prices from $1,338 to $6,579, a $5,241 spread on the same certified stone. MOH London lists it at $6,579. 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

1.70
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012219
Dimensions7.56 × 7.62 × 4.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.56 mm7.62 mm1.70 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440012219
Side View
Table 56.5%Crown 35.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.4%

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 30
Current: $6,579 AUD|Low: $1,338 AUD|High: $6,632 AUD|Avg: $3,241 AUD|+0.5%
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
October 30, 2026
Retailer 2$1,338 AUD
Retailer 7$1,976 AUD
Retailer 10$2,150 AUD
Retailer 12$2,212 AUD
Retailer 8$2,292 AUD
Retailer 13$2,292 AUD
Retailer 6$2,872 AUD
Retailer 4$3,142 AUD
Retailer 9$3,619 AUD
Retailer 3$4,158 AUD
Retailer 11$4,295 AUD
Retailer 5$5,130 AUD
MOH London$6,579 AUD

43 data points across 13 retailers

11 retailers$1,338 AUD to $6,579 AUD

A
Cheapest Retailer
-
$1,338 AUD
$940 USD
B+
Retailer 2
-
$1,976 AUD
$1,388 USD
View
B+
Retailer 3
-
$2,150 AUD
$1,510 USD
View
B+
Retailer 4
-
$2,212 AUD
$1,554 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,292 AUD
$1,610 USD
View
Retailer 6
-
$2,292 AUD
$1,610 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$2,872 AUD
£1,588 GBP
View
B
Retailer 8
-
$3,619 AUD
$2,542 USD
View
B
Retailer 9
-
$4,158 AUD
$2,921 USD
View
B
Retailer 10
-
$4,295 AUD
$3,017 USD
View
Most Expensive
B
MOH London
LG440012219 · Oct 29
$6,579 AUD
£3,639 GBP
View
10 more retailers have this diamond
Prices start from $1,338 AUDSave up to $5,241 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
1.70ct Round
$1,338 AUD