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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 $221 USD
As of November 1, 2026
Save $876 USD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,097 USD at MOH London · As of November 1, 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 $221 to $1,097, a $876 spread on the same certified stone. MOH London lists it at $1,097. 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
Color
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

How it works →
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: $1,097 USD|Low: $220 USD|High: $1,151 USD|Avg: $605 USD|-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 1, 2026
Retailer 12$221 USD
Retailer 6$256 USD
Retailer 5$274 USD
Retailer 10$460 USD
Retailer 3$468 USD
Retailer 8$488 USD
Retailer 9$508 USD
Retailer 13$537 USD
Retailer 14$590 USD
Retailer 11$718 USD
Retailer 2$830 USD
Retailer 4$880 USD
Retailer 7$933 USD
Retailer 15$1,030 USD
MOH London$1,097 USD

38 data points across 15 retailers

18 retailers$221 USD to $1,097 USD

A
Cheapest Retailer
-
$221 USD
A
Retailer 2
-
$256 USD
View
A
Retailer 3
-
$274 USD
View
Retailer 4
-
$284 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$460 USD
€438 EUR
View
B+
Retailer 6
-
$468 USD
View
A
Retailer 7
-
$488 USD
£384 GBP
View
A
Retailer 8
-
$508 USD
£400 GBP
View
A
Retailer 9
-
$537 USD
View
B+
Retailer 10
-
$590 USD
View
B+
Retailer 11
-
$718 USD
View
B+
Retailer 12
-
$830 USD
View
Retailer 13
-
$832 USD
View
Price last confirmed 47 days ago
B
Retailer 14
-
$880 USD
View
B
Retailer 15
-
$933 USD
View
B
Retailer 16
-
$1,030 USD
View
B
Retailer 17
-
$1,030 USD
View
Most Expensive
B
MOH London
LG770643677 · Nov 1
$1,097 USD
£864 GBP
View
17 more retailers have this diamond
Prices start from $221 USDSave up to $876 USD

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
$221 USD