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Round|Lab Grown|IGI

1.17ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG772657766

Shape and cutting style on the report: Round brilliant

Certificate IGI LG772657766

Diamond specifications and retailer prices

From $165 USD
As of October 29, 2026
Save $795 USD (83%) vs most expensive(unlock to see where)
13 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 LG772657766 or 772657766. Listed at 13 retailers as of October 29, 2026, with prices from $165 to $960, a $795 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
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772657766
Dimensions6.80 × 6.88 × 4.10 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
6.80 mm6.88 mm1.17 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG772657766
Side View
Table 58.0%Crown 31.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.1%

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: Oct 29
Current: $960 USD|Low: $101 USD|High: $966 USD|Avg: $407 USD|-0.4%
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
October 31, 2026
Retailer 5$101 USD
Retailer 10$165 USD
Retailer 11$185 USD
Retailer 4$204 USD
Retailer 7$353 USD
Retailer 3$356 USD
Retailer 2$361 USD
Retailer 13$368 USD
Retailer 8$450 USD
Retailer 12$452 USD
Retailer 9$523 USD
Retailer 6$590 USD
MOH London$960 USD

32 data points across 13 retailers

13 retailers$165 USD to $960 USD

A
Cheapest Retailer
-
$165 USD
A
Retailer 2
-
$185 USD
View
Final sale: no returns
A
Retailer 3
-
$204 USD
View
A
Retailer 4
-
$353 USD
€336 EUR
View
B+
Retailer 5
-
$356 USD
View
B+
Retailer 6
-
$361 USD
£284 GBP
View
B+
Retailer 7
-
$368 USD
View
Retailer 8
-
$450 USD
View
Price last confirmed 13 days ago
B+
Retailer 9
-
$452 USD
View
B
Retailer 10
-
$523 USD
View
B+
Retailer 11
-
$590 USD
View
Retailer 12
-
$632 USD
View
Price last confirmed 46 days ago
Most Expensive
B
MOH London
LG772657766 · Oct 29
$960 USD
£756 GBP
View
12 more retailers have this diamond
Prices start from $165 USDSave up to $795 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
$165 USD