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Round|Lab Grown|IGI

1.75ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG770643677

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770643677

Diamond specifications and retailer prices

From $315 AUD
$221 USD
As of November 1, 2026
Save $1,250 AUD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,566 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.75ct lab-grown round diamond

This 1.75ct 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 LG770643677 or 770643677. Listed at 18 retailers as of November 1, 2026, with prices from $315 to $1,566, a $1,250 spread on the same certified stone. MOH London lists it at $1,566. 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

1.75
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770643677
Dimensions7.74 × 7.68 × 4.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.74 mm7.68 mm1.75 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770643677
Side View
Table 56.0%Crown 35.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.2%

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: $1,566 AUD|Low: $314 AUD|High: $1,642 AUD|Avg: $867 AUD|-4.5%
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
November 3, 2026
Retailer 12$315 AUD
Retailer 6$365 AUD
Retailer 5$391 AUD
Retailer 9$658 AUD
Retailer 3$668 AUD
Retailer 8$696 AUD
Retailer 2$719 AUD
Retailer 13$766 AUD
Retailer 14$842 AUD
Retailer 11$1,025 AUD
Retailer 10$1,184 AUD
Retailer 4$1,256 AUD
Retailer 7$1,332 AUD
Retailer 15$1,470 AUD
MOH London$1,566 AUD

39 data points across 15 retailers

18 retailers$315 AUD to $1,566 AUD

A
Cheapest Retailer
-
$315 AUD
$221 USD
A
Retailer 2
-
$365 AUD
$256 USD
View
A
Retailer 3
-
$391 AUD
$274 USD
View
Retailer 4
-
$405 AUD
$284 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$658 AUD
€439 EUR
View
B+
Retailer 6
-
$668 AUD
$468 USD
View
A
Retailer 7
-
$696 AUD
£384 GBP
View
A
Retailer 8
-
$719 AUD
£397 GBP
View
A
Retailer 9
-
$766 AUD
$537 USD
View
B+
Retailer 10
-
$842 AUD
$590 USD
View
B+
Retailer 11
-
$1,025 AUD
$718 USD
View
B+
Retailer 12
-
$1,184 AUD
$830 USD
View
Retailer 13
-
$1,187 AUD
$832 USD
View
Price last confirmed 47 days ago
B
Retailer 14
-
$1,256 AUD
$880 USD
View
B
Retailer 15
-
$1,332 AUD
$933 USD
View
B
Retailer 16
-
$1,470 AUD
$1,030 USD
View
B
Retailer 17
-
$1,470 AUD
$1,030 USD
View
Most Expensive
B
MOH London
LG770643677 · Nov 2
$1,566 AUD
£864 GBP
View
17 more retailers have this diamond
Prices start from $315 AUDSave up to $1,250 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
1.75ct Round
$315 AUD