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Round|Lab Grown|IGI

1.17ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG784643973

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784643973

Diamond specifications and retailer prices

From $168 USD
As of October 29, 2026
Save $809 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $977 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 LG784643973 or 784643973. Listed at 13 retailers as of October 29, 2026, with prices from $168 to $977, a $809 spread on the same certified stone. MOH London lists it at $977. 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 angle35.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784643973
Dimensions6.76 × 6.73 × 4.14 mm
L/W Ratio1.00
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
6.76 mm6.73 mm1.17 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG784643973
Side View
Table 61.0%Crown 35.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.3%

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: $977 USD|Low: $101 USD|High: $982 USD|Avg: $392 USD|-0.5%
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
October 31, 2026
Retailer 5$101 USD
Retailer 10$168 USD
Retailer 11$188 USD
Retailer 3$208 USD
Retailer 7$355 USD
Retailer 4$357 USD
Retailer 2$368 USD
Retailer 13$373 USD
Retailer 8$450 USD
Retailer 12$455 USD
Retailer 9$536 USD
Retailer 6$610 USD
MOH London$977 USD

32 data points across 13 retailers

13 retailers$168 USD to $977 USD

A
Cheapest Retailer
-
$168 USD
A
Retailer 2
-
$188 USD
View
Final sale: no returns
A
Retailer 3
-
$208 USD
View
B+
Retailer 4
-
$355 USD
€338 EUR
View
B+
Retailer 5
-
$357 USD
View
B+
Retailer 6
-
$368 USD
£290 GBP
View
B+
Retailer 7
-
$373 USD
View
Retailer 8
-
$450 USD
View
Price last confirmed 13 days ago
B+
Retailer 9
-
$455 USD
View
B+
Retailer 10
-
$536 USD
View
B
Retailer 11
-
$610 USD
View
Retailer 12
-
$632 USD
View
Price last confirmed 46 days ago
Most Expensive
B
MOH London
LG784643973 · Oct 29
$977 USD
£769 GBP
View
12 more retailers have this diamond
Prices start from $168 USDSave up to $809 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
$168 USD