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Round|Lab Grown|IGI

1.70ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • IGI LG407945444

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407945444

Diamond specifications and retailer prices

From $1,395 AUD
$980 USD
As of October 30, 2026
Save $5,670 AUD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,066 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407945444 or 407945444. Listed at 11 retailers as of October 29, 2026, with prices from $1,395 to $7,066, a $5,670 spread on the same certified stone. MOH London lists it at $7,066. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407945444
Dimensions7.67 × 7.63 × 4.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.67 mm7.63 mm1.70 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG407945444
Side View
Table 54.0%Crown 34.3°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.6%

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: $7,066 AUD|Low: $1,395 AUD|High: $7,123 AUD|Avg: $3,268 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
Retailer 14
Retailer 15
October 30, 2026
Retailer 2$1,395 AUD
Retailer 5$1,589 AUD
Retailer 9$2,121 AUD
Retailer 12$2,308 AUD
Retailer 14$2,376 AUD
Retailer 10$2,461 AUD
Retailer 15$2,461 AUD
Retailer 6$2,708 AUD
Retailer 8$3,011 AUD
Retailer 4$3,344 AUD
Retailer 11$3,878 AUD
Retailer 3$4,466 AUD
Retailer 13$4,612 AUD
Retailer 7$5,509 AUD
MOH London$7,066 AUD

22 data points across 15 retailers

11 retailers$1,395 AUD to $7,066 AUD

A
Cheapest Retailer
-
$1,395 AUD
$980 USD
B+
Retailer 2
-
$2,121 AUD
$1,490 USD
View
B+
Retailer 3
-
$2,308 AUD
$1,621 USD
View
B+
Retailer 4
-
$2,376 AUD
$1,669 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,461 AUD
$1,729 USD
View
Retailer 6
-
$2,461 AUD
$1,729 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$3,011 AUD
£1,665 GBP
View
B
Retailer 8
-
$3,878 AUD
$2,724 USD
View
B
Retailer 9
-
$4,466 AUD
$3,137 USD
View
B
Retailer 10
-
$4,612 AUD
$3,240 USD
View
Most Expensive
B
MOH London
LG407945444 · Oct 29
$7,066 AUD
£3,908 GBP
View
10 more retailers have this diamond
Prices start from $1,395 AUDSave up to $5,670 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
$1,395 AUD