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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 $393 NZD
$221 USD
As of November 1, 2026
Save $1,557 NZD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,950 NZD 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 $393 to $1,950, a $1,557 spread on the same certified stone. MOH London lists it at $1,950. 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: $1,950 NZD|Low: $391 NZD|High: $2,045 NZD|Avg: $1,080 NZD|-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$393 NZD
Retailer 6$455 NZD
Retailer 5$487 NZD
Retailer 9$819 NZD
Retailer 3$832 NZD
Retailer 8$867 NZD
Retailer 2$896 NZD
Retailer 13$954 NZD
Retailer 14$1,049 NZD
Retailer 11$1,276 NZD
Retailer 10$1,475 NZD
Retailer 4$1,564 NZD
Retailer 7$1,659 NZD
Retailer 15$1,831 NZD
MOH London$1,950 NZD

39 data points across 15 retailers

18 retailers$393 NZD to $1,950 NZD

A
Cheapest Retailer
-
$393 NZD
$221 USD
A
Retailer 2
-
$455 NZD
$256 USD
View
A
Retailer 3
-
$487 NZD
$274 USD
View
Retailer 4
-
$505 NZD
$284 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$819 NZD
€439 EUR
View
B+
Retailer 6
-
$832 NZD
$468 USD
View
A
Retailer 7
-
$867 NZD
£384 GBP
View
A
Retailer 8
-
$896 NZD
£397 GBP
View
A
Retailer 9
-
$954 NZD
$537 USD
View
B+
Retailer 10
-
$1,049 NZD
$590 USD
View
B+
Retailer 11
-
$1,276 NZD
$718 USD
View
B+
Retailer 12
-
$1,475 NZD
$830 USD
View
Retailer 13
-
$1,479 NZD
$832 USD
View
Price last confirmed 48 days ago
B
Retailer 14
-
$1,564 NZD
$880 USD
View
B
Retailer 15
-
$1,659 NZD
$933 USD
View
B
Retailer 16
-
$1,831 NZD
$1,030 USD
View
B
Retailer 17
-
$1,831 NZD
$1,030 USD
View
Most Expensive
B
MOH London
LG770643677 · Nov 2
$1,950 NZD
£864 GBP
View
17 more retailers have this diamond
Prices start from $393 NZDSave up to $1,557 NZD

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
$393 NZD