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Round|Lab Grown|IGI

1.69ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG773665605

Shape and cutting style on the report: Round brilliant

Certificate IGI LG773665605

Diamond specifications and retailer prices

From €203 EUR
$227 USD
As of October 26, 2026
Save €1,104 EUR (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,307 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.69ct lab-grown round diamond

This 1.69ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG773665605 or 773665605. Listed at 16 retailers as of October 26, 2026, with prices from €203 to €1,307, a €1,104 spread on the same certified stone. Brilliant Earth lists it at €1,307. 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773665605
Dimensions7.67 × 7.59 × 4.65 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.67 mm7.59 mm1.69 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG773665605
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 26
Current: €1,307 EUR|Low: €200 EUR|High: €1,584 EUR|Avg: €549 EUR|-17.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 3€203 EUR
Retailer 16€226 EUR
Retailer 15€235 EUR
Retailer 17€252 EUR
Retailer 11€275 EUR
Retailer 2€401 EUR
Retailer 9€404 EUR
Retailer 4€429 EUR
Retailer 13€467 EUR
Retailer 8€484 EUR
Retailer 14€494 EUR
Retailer 10€653 EUR
Retailer 5€743 EUR
Retailer 12€807 EUR
Retailer 6€810 EUR
Retailer 7€1,015 EUR
Brilliant Earth€1,307 EUR

44 data points across 17 retailers

16 retailers€203 EUR to €1,307 EUR

A
Cheapest Retailer
-
€203 EUR
$227 USD
Retailer 2
-
€235 EUR
$263 USD
View
Price last confirmed 8 days ago
Retailer 3
-
€252 EUR
$282 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
€275 EUR
HK$2,400 HKD
View
A
Retailer 5
-
€401 EUR
View
Retailer 6
-
€404 EUR
£355 GBP
View
Price last confirmed 15 days ago
B+
Retailer 7
-
€429 EUR
$479 USD
View
A
Retailer 8
-
€467 EUR
£410 GBP
View
A
Retailer 9
-
€484 EUR
$541 USD
View
A
Retailer 10
-
€494 EUR
$552 USD
View
B+
Retailer 11
-
€653 EUR
$729 USD
View
Retailer 12
-
€743 EUR
$830 USD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
€807 EUR
SGD 1,218 SGD
View
Retailer 14
-
€810 EUR
$905 USD
View
Price last confirmed 7 days ago
Retailer 15
-
€1,015 EUR
£893 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
18326140A · Oct 31
€1,307 EUR
$1,460 USD
View
15 more retailers have this diamond
Prices start from €203 EURSave up to €1,104 EUR

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 Round
€203 EUR