CaratHunter
Plans
Radiant|Lab Grown|IGI

1.69ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG618477171

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG618477171

Diamond specifications and retailer prices

From $159 USD
As of October 27, 2026
Save $1,371 USD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,530 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.69ct lab-grown radiant diamond

This 1.69ct lab-grown radiant 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 LG618477171 or 618477171. Listed at 10 retailers as of October 27, 2026, with prices from $159 to $1,530, a $1,371 spread on the same certified stone. Do Amore Diamonds lists it at $1,530. 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

1.69
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618477171
Dimensions8.35 × 5.86 × 3.97 mm
L/W Ratio1.42
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.35 mm5.86 mm1.69 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618477171
Side View
Table 65.0%Crown 43.7°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,530 USD|Low: $159 USD|High: $1,620 USD|Avg: $720 USD|-5.6%
Do Amore Diamonds
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 29, 2026
Retailer 8$159 USD
Retailer 6$185 USD
Retailer 13$189 USD
Retailer 10$359 USD
Retailer 3$426 USD
Retailer 4$626 USD
Retailer 7$671 USD
Retailer 9$702 USD
Retailer 11$727 USD
Retailer 5$950 USD
Retailer 2$1,026 USD
Retailer 12$1,080 USD
Do Amore Diamonds$1,530 USD

21 data points across 13 retailers

10 retailers$159 USD to $1,530 USD

A
Cheapest Retailer
-
$159 USD
A
Retailer 2
-
$185 USD
View
A
Retailer 3
-
$189 USD
View
Final sale: no returns
B+
Retailer 4
-
$359 USD
View
B+
Retailer 5
-
$671 USD
View
B+
Retailer 6
-
$702 USD
View
B+
Retailer 7
-
$727 USD
View
B+
Retailer 8
-
$1,026 USD
£808 GBP
View
B
Retailer 9
-
$1,080 USD
View
Most Expensive
B
Do Amore Diamonds
27-F947BC3DD · Oct 30
$1,530 USD
View
9 more retailers have this diamond
Prices start from $159 USDSave up to $1,371 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
1.69ct Radiant
$159 USD