Round|Lab Grown|IGI

1.70ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG814634352

Shape and cutting style on the report: Round brilliant

Certificate IGI LG814634352

Diamond specifications and retailer prices

From $442 AUD
$310 USD
As of November 1, 2026
Save $985 AUD (69%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,634 AUD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG814634352 or 814634352. Listed at 20 retailers as of November 1, 2026, with a 223% 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

1.70
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814634352
Dimensions7.64 × 7.59 × 4.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.64 mm7.59 mm1.70 ctG / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG814634352
Side View
Table 62.0%Crown 35.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $553 AUD|Low: $285 AUD|High: $1,916 AUD|Avg: $973 AUD|-24.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
November 2, 2026
Retailer 9$294 AUD
Retailer 2$442 AUD
Retailer 1$553 AUD
Retailer 5$587 AUD
Retailer 4$800 AUD
Retailer 8$805 AUD
Retailer 7$813 AUD
Retailer 10$1,128 AUD
Retailer 11$1,177 AUD
Retailer 3$1,427 AUD
Retailer 6$1,529 AUD
Reve Diamonds$1,634 AUD

36 data points across 12 retailers

20 retailers$442 AUD to $1,427 AUD

Retailer 1
-
$283 AUD
$198 USD
Price last confirmed 23 days ago
Retailer 2
-
$350 AUD
$245 USD
View
Price last confirmed 31 days ago
Retailer 3
-
$352 AUD
$247 USD
View
Price last confirmed 41 days ago
Retailer 4
-
$408 AUD
$286 USD
View
Price last confirmed 41 days ago
Retailer 5
-
$431 AUD
$302 USD
View
Price last confirmed 42 days ago
B+
Retailer 6
-
$442 AUD
$310 USD
View
A
Retailer 7
-
$553 AUD
€369 EUR
View
A
Retailer 8
-
$587 AUD
£324 GBP
View
B+
Retailer 9
-
$779 AUD
$546 USD
View
B+
Retailer 10
-
$800 AUD
$561 USD
View
B+
Retailer 11
-
$805 AUD
$564 USD
View
Retailer 12
-
$813 AUD
$570 USD
View
Price last confirmed 7 days ago
Retailer 13
-
$1,123 AUD
$787 USD
View
Price last confirmed 26 days ago
B
Retailer 14
-
$1,128 AUD
$790 USD
View
Retailer 15
-
$1,177 AUD
$825 USD
View
Price last confirmed 12 days ago
Retailer 16
-
$1,403 AUD
$983 USD
View
Price last confirmed 43 days ago
B
Retailer 17
-
$1,427 AUD
$1,000 USD
View
Retailer 18
-
$1,470 AUD
$1,030 USD
View
Price last confirmed 34 days ago
Retailer 19
-
$1,529 AUD
£844 GBP
View
Price last confirmed 7 days ago
Most Expensive
Reve Diamonds
0A7E478AC · Oct 25
$1,634 AUD
$1,145 USD
View
Price last confirmed 8 days ago
19 more retailers have this diamond
Prices start from $442 AUDSave up to $985 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
$442 AUD