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1.17ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG768676928

Shape and cutting style on the report: Round brilliant

Certificate IGI LG768676928

Diamond specifications and retailer prices

From $204 USD
As of October 25, 2026
Save $756 USD (79%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $960 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 LG768676928 or 768676928. Listed at 9 retailers as of October 25, 2026, with prices from $204 to $960, a $756 spread on the same certified stone. MOH London lists it at $960. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768676928
Dimensions6.82 × 6.74 × 4.17 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
6.82 mm6.74 mm1.17 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG768676928
Side View
Table 56.0%Crown 34.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.7%

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: $960 USD|Low: $204 USD|High: $983 USD|Avg: $436 USD|-2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 9$204 USD
Retailer 3$353 USD
Retailer 8$356 USD
Retailer 2$361 USD
Retailer 7$368 USD
Retailer 4$450 USD
Retailer 6$452 USD
Retailer 5$523 USD
MOH London$960 USD

32 data points across 9 retailers

9 retailers$204 USD to $960 USD

A
Cheapest Retailer
-
$204 USD
A
Retailer 2
-
$353 USD
€336 EUR
View
B+
Retailer 3
-
$356 USD
View
A
Retailer 4
-
$361 USD
£284 GBP
View
B+
Retailer 5
-
$368 USD
View
Retailer 6
-
$450 USD
View
Price last confirmed 13 days ago
B+
Retailer 7
-
$452 USD
View
B
Retailer 8
-
$523 USD
View
Most Expensive
B
MOH London
LG768676928 · Oct 29
$960 USD
£756 GBP
View
8 more retailers have this diamond
Prices start from $204 USDSave up to $756 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
$204 USD