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Round|Lab Grown|IGI

1.17ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG766644313

Shape and cutting style on the report: Round brilliant

Certificate IGI LG766644313

Diamond specifications and retailer prices

From $206 USD
As of October 25, 2026
Save $764 USD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $970 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.17ct lab-grown round diamond

This 1.17ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG766644313 or 766644313. Listed at 10 retailers as of October 25, 2026, with prices from $206 to $970, a $764 spread on the same certified stone. MOH London lists it at $970. 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

1.17
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766644313
Dimensions6.84 × 6.79 × 4.12 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.84 mm6.79 mm1.17 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766644313
Side View
Table 57.0%Crown 33.1°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 60.5%

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: Oct 25
Current: $970 USD|Low: $206 USD|High: $977 USD|Avg: $449 USD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 9$206 USD
Retailer 3$355 USD
Retailer 8$357 USD
Retailer 2$366 USD
Retailer 7$371 USD
Retailer 4$450 USD
Retailer 6$454 USD
Retailer 5$530 USD
Retailer 10$570 USD
MOH London$970 USD

32 data points across 10 retailers

10 retailers$206 USD to $970 USD

A
Cheapest Retailer
-
$206 USD
A
Retailer 2
-
$355 USD
€338 EUR
View
A
Retailer 3
-
$357 USD
View
A
Retailer 4
-
$366 USD
£288 GBP
View
A
Retailer 5
-
$371 USD
View
Retailer 6
-
$450 USD
View
Price last confirmed 13 days ago
B+
Retailer 7
-
$454 USD
View
B
Retailer 8
-
$530 USD
View
B+
Retailer 9
-
$570 USD
View
Most Expensive
B
MOH London
LG766644313 · Oct 29
$970 USD
£764 GBP
View
9 more retailers have this diamond
Prices start from $206 USDSave up to $764 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
1.17ct Round
$206 USD